27820570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 28062950

約数列:

[1, 2, 5, 10, 23, 29, 43, 46, 58, 86, 97, 115, 145, 194, 215, 230, 290, 430, 485, 667, 970, 989, 1247, 1334, 1978, 2231, 2494, 2813, 3335, 4171, 4462, 4945, 5626, 6235, 6670, 8342, 9890, 11155, 12470, 14065, 20855, 22310, 28130, 28681, 41710, 57362, 64699, 95933, 120959, 129398, 143405, 191866, 241918, 286810, 323495, 479665, 604795, 646990, 959330, 1209590, 2782057, 5564114, 13910285, 27820570]

約数ペア:

[(1, 27820570), (2, 13910285), (5, 5564114), (10, 2782057), (23, 1209590), (29, 959330), (43, 646990), (46, 604795), (58, 479665), (86, 323495), (97, 286810), (115, 241918), (145, 191866), (194, 143405), (215, 129398), (230, 120959), (290, 95933), (430, 64699), (485, 57362), (667, 41710), (970, 28681), (989, 28130), (1247, 22310), (1334, 20855), (1978, 14065), (2231, 12470), (2494, 11155), (2813, 9890), (3335, 8342), (4171, 6670), (4462, 6235), (4945, 5626)]