99100990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 193365792

約数和(自身を除く): 94264802

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 289, 530, 578, 647, 901, 1294, 1445, 1802, 2890, 3235, 4505, 6470, 9010, 10999, 15317, 21998, 30634, 34291, 54995, 68582, 76585, 109990, 153170, 171455, 186983, 342910, 373966, 582947, 934915, 1165894, 1869830, 2914735, 5829470, 9910099, 19820198, 49550495, 99100990]

約数ペア:

[(1, 99100990), (2, 49550495), (5, 19820198), (10, 9910099), (17, 5829470), (34, 2914735), (53, 1869830), (85, 1165894), (106, 934915), (170, 582947), (265, 373966), (289, 342910), (530, 186983), (578, 171455), (647, 153170), (901, 109990), (1294, 76585), (1445, 68582), (1802, 54995), (2890, 34291), (3235, 30634), (4505, 21998), (6470, 15317), (9010, 10999)]