291218870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43661}}^1$

素因数の和:43720

約数の個数: 32

約数和(自身を含む): 565859520

約数和(自身を除く): 274640650

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 115, 145, 230, 290, 667, 1334, 3335, 6670, 43661, 87322, 218305, 436610, 1004203, 1266169, 2008406, 2532338, 5021015, 6330845, 10042030, 12661690, 29121887, 58243774, 145609435, 291218870]

約数ペア:

[(1, 291218870), (2, 145609435), (5, 58243774), (10, 29121887), (23, 12661690), (29, 10042030), (46, 6330845), (58, 5021015), (115, 2532338), (145, 2008406), (230, 1266169), (290, 1004203), (667, 436610), (1334, 218305), (3335, 87322), (6670, 43661)]