221180820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:430

約数の個数: 192

約数和(自身を含む): 746059776

約数和(自身を除く): 524878956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 43, 60, 70, 74, 84, 86, 105, 111, 129, 140, 148, 172, 185, 210, 215, 222, 258, 259, 301, 331, 370, 420, 430, 444, 516, 518, 555, 602, 645, 662, 740, 777, 860, 903, 993, 1036, 1110, 1204, 1290, 1295, 1324, 1505, 1554, 1591, 1655, 1806, 1986, 2220, 2317, 2580, 2590, 3010, 3108, 3182, 3310, 3612, 3885, 3972, 4515, 4634, 4773, 4965, 5180, 6020, 6364, 6620, 6951, 7770, 7955, 9030, 9268, 9546, 9930, 11137, 11585, 12247, 13902, 14233, 15540, 15910, 18060, 19092, 19860, 22274, 23170, 23865, 24494, 27804, 28466, 31820, 33411, 34755, 36741, 42699, 44548, 46340, 47730, 48988, 55685, 56932, 61235, 66822, 69510, 71165, 73482, 85398, 85729, 95460, 99631, 111370, 122470, 133644, 139020, 142330, 146964, 167055, 170796, 171458, 183705, 199262, 213495, 222740, 244940, 257187, 284660, 298893, 334110, 342916, 367410, 398524, 426990, 428645, 498155, 514374, 526621, 597786, 668220, 734820, 853980, 857290, 996310, 1028748, 1053242, 1195572, 1285935, 1494465, 1579863, 1714580, 1992620, 2106484, 2571870, 2633105, 2988930, 3159726, 3686347, 5143740, 5266210, 5977860, 6319452, 7372694, 7899315, 10532420, 11059041, 14745388, 15798630, 18431735, 22118082, 31597260, 36863470, 44236164, 55295205, 73726940, 110590410, 221180820]

約数ペア:

[(1, 221180820), (2, 110590410), (3, 73726940), (4, 55295205), (5, 44236164), (6, 36863470), (7, 31597260), (10, 22118082), (12, 18431735), (14, 15798630), (15, 14745388), (20, 11059041), (21, 10532420), (28, 7899315), (30, 7372694), (35, 6319452), (37, 5977860), (42, 5266210), (43, 5143740), (60, 3686347), (70, 3159726), (74, 2988930), (84, 2633105), (86, 2571870), (105, 2106484), (111, 1992620), (129, 1714580), (140, 1579863), (148, 1494465), (172, 1285935), (185, 1195572), (210, 1053242), (215, 1028748), (222, 996310), (258, 857290), (259, 853980), (301, 734820), (331, 668220), (370, 597786), (420, 526621), (430, 514374), (444, 498155), (516, 428645), (518, 426990), (555, 398524), (602, 367410), (645, 342916), (662, 334110), (740, 298893), (777, 284660), (860, 257187), (903, 244940), (993, 222740), (1036, 213495), (1110, 199262), (1204, 183705), (1290, 171458), (1295, 170796), (1324, 167055), (1505, 146964), (1554, 142330), (1591, 139020), (1655, 133644), (1806, 122470), (1986, 111370), (2220, 99631), (2317, 95460), (2580, 85729), (2590, 85398), (3010, 73482), (3108, 71165), (3182, 69510), (3310, 66822), (3612, 61235), (3885, 56932), (3972, 55685), (4515, 48988), (4634, 47730), (4773, 46340), (4965, 44548), (5180, 42699), (6020, 36741), (6364, 34755), (6620, 33411), (6951, 31820), (7770, 28466), (7955, 27804), (9030, 24494), (9268, 23865), (9546, 23170), (9930, 22274), (11137, 19860), (11585, 19092), (12247, 18060), (13902, 15910), (14233, 15540)]