291235160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{1193}}^1$

素因数の和:1580

約数の個数: 64

約数和(自身を含む): 696340800

約数和(自身を除く): 405105640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 359, 680, 718, 1193, 1436, 1795, 2386, 2872, 3590, 4772, 5965, 6103, 7180, 9544, 11930, 12206, 14360, 20281, 23860, 24412, 30515, 40562, 47720, 48824, 61030, 81124, 101405, 122060, 162248, 202810, 244120, 405620, 428287, 811240, 856574, 1713148, 2141435, 3426296, 4282870, 7280879, 8565740, 14561758, 17131480, 29123516, 36404395, 58247032, 72808790, 145617580, 291235160]

約数ペア:

[(1, 291235160), (2, 145617580), (4, 72808790), (5, 58247032), (8, 36404395), (10, 29123516), (17, 17131480), (20, 14561758), (34, 8565740), (40, 7280879), (68, 4282870), (85, 3426296), (136, 2141435), (170, 1713148), (340, 856574), (359, 811240), (680, 428287), (718, 405620), (1193, 244120), (1436, 202810), (1795, 162248), (2386, 122060), (2872, 101405), (3590, 81124), (4772, 61030), (5965, 48824), (6103, 47720), (7180, 40562), (9544, 30515), (11930, 24412), (12206, 23860), (14360, 20281)]