8521700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 20665344

約数和(自身を除く): 12143644

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 61, 100, 110, 122, 127, 220, 244, 254, 275, 305, 508, 550, 610, 635, 671, 1100, 1220, 1270, 1342, 1397, 1525, 2540, 2684, 2794, 3050, 3175, 3355, 5588, 6100, 6350, 6710, 6985, 7747, 12700, 13420, 13970, 15494, 16775, 27940, 30988, 33550, 34925, 38735, 67100, 69850, 77470, 85217, 139700, 154940, 170434, 193675, 340868, 387350, 426085, 774700, 852170, 1704340, 2130425, 4260850, 8521700]

約数ペア:

[(1, 8521700), (2, 4260850), (4, 2130425), (5, 1704340), (10, 852170), (11, 774700), (20, 426085), (22, 387350), (25, 340868), (44, 193675), (50, 170434), (55, 154940), (61, 139700), (100, 85217), (110, 77470), (122, 69850), (127, 67100), (220, 38735), (244, 34925), (254, 33550), (275, 30988), (305, 27940), (508, 16775), (550, 15494), (610, 13970), (635, 13420), (671, 12700), (1100, 7747), (1220, 6985), (1270, 6710), (1342, 6350), (1397, 6100), (1525, 5588), (2540, 3355), (2684, 3175), (2794, 3050)]