312231640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1115113}}^1$

素因数の和:1115131

約数の個数: 32

約数和(自身を含む): 802882080

約数和(自身を除く): 490650440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1115113, 2230226, 4460452, 5575565, 7805791, 8920904, 11151130, 15611582, 22302260, 31223164, 39028955, 44604520, 62446328, 78057910, 156115820, 312231640]

約数ペア:

[(1, 312231640), (2, 156115820), (4, 78057910), (5, 62446328), (7, 44604520), (8, 39028955), (10, 31223164), (14, 22302260), (20, 15611582), (28, 11151130), (35, 8920904), (40, 7805791), (56, 5575565), (70, 4460452), (140, 2230226), (280, 1115113)]