221408460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1931}}^1$

素因数の和:1973

約数の個数: 216

約数和(自身を含む): 841787856

約数和(自身を除く): 620379396

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 294, 315, 364, 390, 420, 441, 455, 468, 490, 546, 585, 588, 630, 637, 735, 780, 819, 882, 910, 980, 1092, 1170, 1260, 1274, 1365, 1470, 1638, 1764, 1820, 1911, 1931, 2205, 2340, 2548, 2730, 2940, 3185, 3276, 3822, 3862, 4095, 4410, 5460, 5733, 5793, 6370, 7644, 7724, 8190, 8820, 9555, 9655, 11466, 11586, 12740, 13517, 16380, 17379, 19110, 19310, 22932, 23172, 25103, 27034, 28665, 28965, 34758, 38220, 38620, 40551, 50206, 54068, 57330, 57930, 67585, 69516, 75309, 81102, 86895, 94619, 100412, 114660, 115860, 121653, 125515, 135170, 150618, 162204, 173790, 175721, 189238, 202755, 225927, 243306, 251030, 270340, 283857, 301236, 347580, 351442, 376545, 378476, 405510, 451854, 473095, 486612, 502060, 527163, 567714, 608265, 702884, 753090, 811020, 851571, 878605, 903708, 946190, 1054326, 1129635, 1135428, 1216530, 1230047, 1419285, 1506180, 1581489, 1703142, 1757210, 1892380, 2108652, 2259270, 2433060, 2460094, 2635815, 2838570, 3162978, 3406284, 3514420, 3690141, 4257855, 4518540, 4920188, 5271630, 5677140, 6150235, 6325956, 7380282, 7907445, 8515710, 10543260, 11070423, 12300470, 14760564, 15814890, 17031420, 18450705, 22140846, 24600940, 31629780, 36901410, 44281692, 55352115, 73802820, 110704230, 221408460]

約数ペア:

[(1, 221408460), (2, 110704230), (3, 73802820), (4, 55352115), (5, 44281692), (6, 36901410), (7, 31629780), (9, 24600940), (10, 22140846), (12, 18450705), (13, 17031420), (14, 15814890), (15, 14760564), (18, 12300470), (20, 11070423), (21, 10543260), (26, 8515710), (28, 7907445), (30, 7380282), (35, 6325956), (36, 6150235), (39, 5677140), (42, 5271630), (45, 4920188), (49, 4518540), (52, 4257855), (60, 3690141), (63, 3514420), (65, 3406284), (70, 3162978), (78, 2838570), (84, 2635815), (90, 2460094), (91, 2433060), (98, 2259270), (105, 2108652), (117, 1892380), (126, 1757210), (130, 1703142), (140, 1581489), (147, 1506180), (156, 1419285), (180, 1230047), (182, 1216530), (195, 1135428), (196, 1129635), (210, 1054326), (234, 946190), (245, 903708), (252, 878605), (260, 851571), (273, 811020), (294, 753090), (315, 702884), (364, 608265), (390, 567714), (420, 527163), (441, 502060), (455, 486612), (468, 473095), (490, 451854), (546, 405510), (585, 378476), (588, 376545), (630, 351442), (637, 347580), (735, 301236), (780, 283857), (819, 270340), (882, 251030), (910, 243306), (980, 225927), (1092, 202755), (1170, 189238), (1260, 175721), (1274, 173790), (1365, 162204), (1470, 150618), (1638, 135170), (1764, 125515), (1820, 121653), (1911, 115860), (1931, 114660), (2205, 100412), (2340, 94619), (2548, 86895), (2730, 81102), (2940, 75309), (3185, 69516), (3276, 67585), (3822, 57930), (3862, 57330), (4095, 54068), (4410, 50206), (5460, 40551), (5733, 38620), (5793, 38220), (6370, 34758), (7644, 28965), (7724, 28665), (8190, 27034), (8820, 25103), (9555, 23172), (9655, 22932), (11466, 19310), (11586, 19110), (12740, 17379), (13517, 16380)]