85745240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{821}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 221348160

約数和(自身を除く): 135602920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 373, 746, 821, 1492, 1642, 1865, 2611, 2984, 3284, 3730, 4105, 5222, 5747, 6568, 7460, 8210, 10444, 11494, 13055, 14920, 16420, 20888, 22988, 26110, 28735, 32840, 45976, 52220, 57470, 104440, 114940, 229880, 306233, 612466, 1224932, 1531165, 2143631, 2449864, 3062330, 4287262, 6124660, 8574524, 10718155, 12249320, 17149048, 21436310, 42872620, 85745240]

約数ペア:

[(1, 85745240), (2, 42872620), (4, 21436310), (5, 17149048), (7, 12249320), (8, 10718155), (10, 8574524), (14, 6124660), (20, 4287262), (28, 3062330), (35, 2449864), (40, 2143631), (56, 1531165), (70, 1224932), (140, 612466), (280, 306233), (373, 229880), (746, 114940), (821, 104440), (1492, 57470), (1642, 52220), (1865, 45976), (2611, 32840), (2984, 28735), (3284, 26110), (3730, 22988), (4105, 20888), (5222, 16420), (5747, 14920), (6568, 13055), (7460, 11494), (8210, 10444)]