140259990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359641}}^1$

素因数の和:359664

約数の個数: 32

約数和(自身を含む): 362519136

約数和(自身を除く): 222259146

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 359641, 719282, 1078923, 1798205, 2157846, 3596410, 4675333, 5394615, 9350666, 10789230, 14025999, 23376665, 28051998, 46753330, 70129995, 140259990]

約数ペア:

[(1, 140259990), (2, 70129995), (3, 46753330), (5, 28051998), (6, 23376665), (10, 14025999), (13, 10789230), (15, 9350666), (26, 5394615), (30, 4675333), (39, 3596410), (65, 2157846), (78, 1798205), (130, 1078923), (195, 719282), (390, 359641)]