201882980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40867}}^1$

素因数の和:40908

約数の個数: 48

約数和(自身を含む): 480607680

約数和(自身を除く): 278724700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 40867, 81734, 163468, 204335, 408670, 531271, 776473, 817340, 1062542, 1552946, 2125084, 2656355, 3105892, 3882365, 5312710, 7764730, 10094149, 10625420, 15529460, 20188298, 40376596, 50470745, 100941490, 201882980]

約数ペア:

[(1, 201882980), (2, 100941490), (4, 50470745), (5, 40376596), (10, 20188298), (13, 15529460), (19, 10625420), (20, 10094149), (26, 7764730), (38, 5312710), (52, 3882365), (65, 3105892), (76, 2656355), (95, 2125084), (130, 1552946), (190, 1062542), (247, 817340), (260, 776473), (380, 531271), (494, 408670), (988, 204335), (1235, 163468), (2470, 81734), (4940, 40867)]