680970800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{54917}}^1$

素因数の和:54966

約数の個数: 60

約数和(自身を含む): 1688838336

約数和(自身を除く): 1007867536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 54917, 109834, 219668, 274585, 439336, 549170, 878672, 1098340, 1372925, 1702427, 2196680, 2745850, 3404854, 4393360, 5491700, 6809708, 8512135, 10983400, 13619416, 17024270, 21966800, 27238832, 34048540, 42560675, 68097080, 85121350, 136194160, 170242700, 340485400, 680970800]

約数ペア:

[(1, 680970800), (2, 340485400), (4, 170242700), (5, 136194160), (8, 85121350), (10, 68097080), (16, 42560675), (20, 34048540), (25, 27238832), (31, 21966800), (40, 17024270), (50, 13619416), (62, 10983400), (80, 8512135), (100, 6809708), (124, 5491700), (155, 4393360), (200, 3404854), (248, 2745850), (310, 2196680), (400, 1702427), (496, 1372925), (620, 1098340), (775, 878672), (1240, 549170), (1550, 439336), (2480, 274585), (3100, 219668), (6200, 109834), (12400, 54917)]