55278860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4339}}^1$

素因数の和:4375

約数の個数: 72

約数和(自身を含む): 145459440

約数和(自身を除く): 90180580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 4339, 6370, 8678, 12740, 17356, 21695, 30373, 43390, 56407, 60746, 86780, 112814, 121492, 151865, 212611, 225628, 282035, 303730, 394849, 425222, 564070, 607460, 789698, 850444, 1063055, 1128140, 1579396, 1974245, 2126110, 2763943, 3948490, 4252220, 5527886, 7896980, 11055772, 13819715, 27639430, 55278860]

約数ペア:

[(1, 55278860), (2, 27639430), (4, 13819715), (5, 11055772), (7, 7896980), (10, 5527886), (13, 4252220), (14, 3948490), (20, 2763943), (26, 2126110), (28, 1974245), (35, 1579396), (49, 1128140), (52, 1063055), (65, 850444), (70, 789698), (91, 607460), (98, 564070), (130, 425222), (140, 394849), (182, 303730), (196, 282035), (245, 225628), (260, 212611), (364, 151865), (455, 121492), (490, 112814), (637, 86780), (910, 60746), (980, 56407), (1274, 43390), (1820, 30373), (2548, 21695), (3185, 17356), (4339, 12740), (6370, 8678)]