99069980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 212056320

約数和(自身を除く): 112986340

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 223, 229, 388, 446, 458, 485, 892, 916, 970, 1115, 1145, 1940, 2230, 2290, 4460, 4580, 21631, 22213, 43262, 44426, 51067, 86524, 88852, 102134, 108155, 111065, 204268, 216310, 222130, 255335, 432620, 444260, 510670, 1021340, 4953499, 9906998, 19813996, 24767495, 49534990, 99069980]

約数ペア:

[(1, 99069980), (2, 49534990), (4, 24767495), (5, 19813996), (10, 9906998), (20, 4953499), (97, 1021340), (194, 510670), (223, 444260), (229, 432620), (388, 255335), (446, 222130), (458, 216310), (485, 204268), (892, 111065), (916, 108155), (970, 102134), (1115, 88852), (1145, 86524), (1940, 51067), (2230, 44426), (2290, 43262), (4460, 22213), (4580, 21631)]