728139290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1\times {\mathrm{2129}}^1$

素因数の和:3646

約数の個数: 32

約数和(自身を含む): 1369198080

約数和(自身を除く): 641058790

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1487, 2129, 2974, 4258, 7435, 10645, 14870, 21290, 34201, 48967, 68402, 97934, 171005, 244835, 342010, 489670, 3165823, 6331646, 15829115, 31658230, 72813929, 145627858, 364069645, 728139290]

約数ペア:

[(1, 728139290), (2, 364069645), (5, 145627858), (10, 72813929), (23, 31658230), (46, 15829115), (115, 6331646), (230, 3165823), (1487, 489670), (2129, 342010), (2974, 244835), (4258, 171005), (7435, 97934), (10645, 68402), (14870, 48967), (21290, 34201)]