291245870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2437}}^1$

素因数の和:2517

約数の個数: 64

約数和(自身を含む): 600333120

約数和(自身を除く): 309087250

約数列:

[1, 2, 5, 10, 17, 19, 34, 37, 38, 74, 85, 95, 170, 185, 190, 323, 370, 629, 646, 703, 1258, 1406, 1615, 2437, 3145, 3230, 3515, 4874, 6290, 7030, 11951, 12185, 23902, 24370, 41429, 46303, 59755, 82858, 90169, 92606, 119510, 180338, 207145, 231515, 414290, 450845, 463030, 787151, 901690, 1532873, 1574302, 1713211, 3065746, 3426422, 3935755, 7664365, 7871510, 8566055, 15328730, 17132110, 29124587, 58249174, 145622935, 291245870]

約数ペア:

[(1, 291245870), (2, 145622935), (5, 58249174), (10, 29124587), (17, 17132110), (19, 15328730), (34, 8566055), (37, 7871510), (38, 7664365), (74, 3935755), (85, 3426422), (95, 3065746), (170, 1713211), (185, 1574302), (190, 1532873), (323, 901690), (370, 787151), (629, 463030), (646, 450845), (703, 414290), (1258, 231515), (1406, 207145), (1615, 180338), (2437, 119510), (3145, 92606), (3230, 90169), (3515, 82858), (4874, 59755), (6290, 46303), (7030, 41429), (11951, 24370), (12185, 23902)]