198000620

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{569}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 422876160

約数和(自身を除く): 224875540

約数列:

[1, 2, 4, 5, 10, 20, 127, 137, 254, 274, 508, 548, 569, 635, 685, 1138, 1270, 1370, 2276, 2540, 2740, 2845, 5690, 11380, 17399, 34798, 69596, 72263, 77953, 86995, 144526, 155906, 173990, 289052, 311812, 347980, 361315, 389765, 722630, 779530, 1445260, 1559060, 9900031, 19800062, 39600124, 49500155, 99000310, 198000620]

約数ペア:

[(1, 198000620), (2, 99000310), (4, 49500155), (5, 39600124), (10, 19800062), (20, 9900031), (127, 1559060), (137, 1445260), (254, 779530), (274, 722630), (508, 389765), (548, 361315), (569, 347980), (635, 311812), (685, 289052), (1138, 173990), (1270, 155906), (1370, 144526), (2276, 86995), (2540, 77953), (2740, 72263), (2845, 69596), (5690, 34798), (11380, 17399)]