634173680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{161779}}^1$

素因数の和:161806

約数の個数: 60

約数和(自身を含む): 1715191560

約数和(自身を除く): 1081017880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 161779, 323558, 647116, 808895, 1132453, 1294232, 1617790, 2264906, 2588464, 3235580, 4529812, 5662265, 6471160, 7927171, 9059624, 11324530, 12942320, 15854342, 18119248, 22649060, 31708684, 39635855, 45298120, 63417368, 79271710, 90596240, 126834736, 158543420, 317086840, 634173680]

約数ペア:

[(1, 634173680), (2, 317086840), (4, 158543420), (5, 126834736), (7, 90596240), (8, 79271710), (10, 63417368), (14, 45298120), (16, 39635855), (20, 31708684), (28, 22649060), (35, 18119248), (40, 15854342), (49, 12942320), (56, 11324530), (70, 9059624), (80, 7927171), (98, 6471160), (112, 5662265), (140, 4529812), (196, 3235580), (245, 2588464), (280, 2264906), (392, 1617790), (490, 1294232), (560, 1132453), (784, 808895), (980, 647116), (1960, 323558), (3920, 161779)]