201854765

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 300193920

約数和(自身を除く): 98339155

約数列:

[1, 5, 7, 19, 35, 49, 95, 103, 133, 245, 421, 515, 665, 721, 931, 1957, 2105, 2947, 3605, 4655, 5047, 7999, 9785, 13699, 14735, 20629, 25235, 39995, 43363, 55993, 68495, 95893, 103145, 216815, 279965, 303541, 391951, 479465, 823897, 1517705, 1959755, 2124787, 4119485, 5767279, 10623935, 28836395, 40370953, 201854765]

約数ペア:

[(1, 201854765), (5, 40370953), (7, 28836395), (19, 10623935), (35, 5767279), (49, 4119485), (95, 2124787), (103, 1959755), (133, 1517705), (245, 823897), (421, 479465), (515, 391951), (665, 303541), (721, 279965), (931, 216815), (1957, 103145), (2105, 95893), (2947, 68495), (3605, 55993), (4655, 43363), (5047, 39995), (7999, 25235), (9785, 20629), (13699, 14735)]