12057220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 29369088

約数和(自身を除く): 17311868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1213, 1420, 1988, 2426, 2485, 4852, 4970, 6065, 8491, 9940, 12130, 16982, 24260, 33964, 42455, 84910, 86123, 169820, 172246, 344492, 430615, 602861, 861230, 1205722, 1722460, 2411444, 3014305, 6028610, 12057220]

約数ペア:

[(1, 12057220), (2, 6028610), (4, 3014305), (5, 2411444), (7, 1722460), (10, 1205722), (14, 861230), (20, 602861), (28, 430615), (35, 344492), (70, 172246), (71, 169820), (140, 86123), (142, 84910), (284, 42455), (355, 33964), (497, 24260), (710, 16982), (994, 12130), (1213, 9940), (1420, 8491), (1988, 6065), (2426, 4970), (2485, 4852)]