221975460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:323

約数の個数: 288

約数和(自身を含む): 837188352

約数和(自身を除く): 615212892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 43, 45, 51, 60, 63, 68, 70, 84, 85, 86, 90, 102, 105, 119, 126, 129, 140, 153, 170, 172, 180, 204, 210, 215, 238, 241, 252, 255, 258, 301, 306, 315, 340, 357, 387, 420, 430, 476, 482, 510, 516, 595, 602, 612, 630, 645, 714, 723, 731, 765, 774, 860, 903, 964, 1020, 1071, 1190, 1204, 1205, 1260, 1290, 1428, 1446, 1462, 1505, 1530, 1548, 1687, 1785, 1806, 1935, 2142, 2169, 2193, 2380, 2410, 2580, 2709, 2892, 2924, 3010, 3060, 3374, 3570, 3612, 3615, 3655, 3870, 4097, 4284, 4338, 4386, 4515, 4820, 5061, 5117, 5355, 5418, 6020, 6579, 6748, 7140, 7230, 7310, 7740, 8194, 8435, 8676, 8772, 9030, 10122, 10234, 10363, 10710, 10836, 10845, 10965, 12291, 13158, 13545, 14460, 14620, 15183, 15351, 16388, 16870, 18060, 20244, 20468, 20485, 20726, 21420, 21690, 21930, 24582, 25305, 25585, 26316, 27090, 28679, 30366, 30702, 31089, 32895, 33740, 36873, 40970, 41452, 43380, 43860, 46053, 49164, 50610, 51170, 51815, 54180, 57358, 60732, 61404, 61455, 62178, 65790, 72541, 73746, 75915, 76755, 81940, 86037, 92106, 93267, 101220, 102340, 103630, 114716, 122910, 124356, 131580, 143395, 145082, 147492, 151830, 153510, 155445, 172074, 176171, 184212, 184365, 186534, 207260, 217623, 230265, 245820, 258111, 286790, 290164, 303660, 307020, 310890, 344148, 352342, 362705, 368730, 373068, 430185, 435246, 460530, 466335, 516222, 528513, 573580, 621780, 652869, 704684, 725410, 737460, 860370, 870492, 880855, 921060, 932670, 1032444, 1057026, 1088115, 1233197, 1290555, 1305738, 1450820, 1585539, 1720740, 1761710, 1865340, 2114052, 2176230, 2466394, 2581110, 2611476, 2642565, 3171078, 3264345, 3523420, 3699591, 4352460, 4932788, 5162220, 5285130, 6165985, 6342156, 6528690, 7399182, 7927695, 10570260, 11098773, 12331970, 13057380, 14798364, 15855390, 18497955, 22197546, 24663940, 31710780, 36995910, 44395092, 55493865, 73991820, 110987730, 221975460]

約数ペア:

[(1, 221975460), (2, 110987730), (3, 73991820), (4, 55493865), (5, 44395092), (6, 36995910), (7, 31710780), (9, 24663940), (10, 22197546), (12, 18497955), (14, 15855390), (15, 14798364), (17, 13057380), (18, 12331970), (20, 11098773), (21, 10570260), (28, 7927695), (30, 7399182), (34, 6528690), (35, 6342156), (36, 6165985), (42, 5285130), (43, 5162220), (45, 4932788), (51, 4352460), (60, 3699591), (63, 3523420), (68, 3264345), (70, 3171078), (84, 2642565), (85, 2611476), (86, 2581110), (90, 2466394), (102, 2176230), (105, 2114052), (119, 1865340), (126, 1761710), (129, 1720740), (140, 1585539), (153, 1450820), (170, 1305738), (172, 1290555), (180, 1233197), (204, 1088115), (210, 1057026), (215, 1032444), (238, 932670), (241, 921060), (252, 880855), (255, 870492), (258, 860370), (301, 737460), (306, 725410), (315, 704684), (340, 652869), (357, 621780), (387, 573580), (420, 528513), (430, 516222), (476, 466335), (482, 460530), (510, 435246), (516, 430185), (595, 373068), (602, 368730), (612, 362705), (630, 352342), (645, 344148), (714, 310890), (723, 307020), (731, 303660), (765, 290164), (774, 286790), (860, 258111), (903, 245820), (964, 230265), (1020, 217623), (1071, 207260), (1190, 186534), (1204, 184365), (1205, 184212), (1260, 176171), (1290, 172074), (1428, 155445), (1446, 153510), (1462, 151830), (1505, 147492), (1530, 145082), (1548, 143395), (1687, 131580), (1785, 124356), (1806, 122910), (1935, 114716), (2142, 103630), (2169, 102340), (2193, 101220), (2380, 93267), (2410, 92106), (2580, 86037), (2709, 81940), (2892, 76755), (2924, 75915), (3010, 73746), (3060, 72541), (3374, 65790), (3570, 62178), (3612, 61455), (3615, 61404), (3655, 60732), (3870, 57358), (4097, 54180), (4284, 51815), (4338, 51170), (4386, 50610), (4515, 49164), (4820, 46053), (5061, 43860), (5117, 43380), (5355, 41452), (5418, 40970), (6020, 36873), (6579, 33740), (6748, 32895), (7140, 31089), (7230, 30702), (7310, 30366), (7740, 28679), (8194, 27090), (8435, 26316), (8676, 25585), (8772, 25305), (9030, 24582), (10122, 21930), (10234, 21690), (10363, 21420), (10710, 20726), (10836, 20485), (10845, 20468), (10965, 20244), (12291, 18060), (13158, 16870), (13545, 16388), (14460, 15351), (14620, 15183)]