91856380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{8521}}^1$

素因数の和:8555

約数の個数: 72

約数和(自身を含む): 244820016

約数和(自身を除く): 152963636

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 8521, 10780, 17042, 34084, 42605, 59647, 85210, 93731, 119294, 170420, 187462, 238588, 298235, 374924, 417529, 468655, 596470, 656117, 835058, 937310, 1192940, 1312234, 1670116, 1874620, 2087645, 2624468, 3280585, 4175290, 4592819, 6561170, 8350580, 9185638, 13122340, 18371276, 22964095, 45928190, 91856380]

約数ペア:

[(1, 91856380), (2, 45928190), (4, 22964095), (5, 18371276), (7, 13122340), (10, 9185638), (11, 8350580), (14, 6561170), (20, 4592819), (22, 4175290), (28, 3280585), (35, 2624468), (44, 2087645), (49, 1874620), (55, 1670116), (70, 1312234), (77, 1192940), (98, 937310), (110, 835058), (140, 656117), (154, 596470), (196, 468655), (220, 417529), (245, 374924), (308, 298235), (385, 238588), (490, 187462), (539, 170420), (770, 119294), (980, 93731), (1078, 85210), (1540, 59647), (2156, 42605), (2695, 34084), (5390, 17042), (8521, 10780)]