291210530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{117899}}^1$

素因数の和:117938

約数の個数: 32

約数和(自身を含む): 594216000

約数和(自身を除く): 303005470

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 117899, 235798, 589495, 1178990, 1532687, 2240081, 3065374, 4480162, 7663435, 11200405, 15326870, 22400810, 29121053, 58242106, 145605265, 291210530]

約数ペア:

[(1, 291210530), (2, 145605265), (5, 58242106), (10, 29121053), (13, 22400810), (19, 15326870), (26, 11200405), (38, 7663435), (65, 4480162), (95, 3065374), (130, 2240081), (190, 1532687), (247, 1178990), (494, 589495), (1235, 235798), (2470, 117899)]