68887180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1627}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 151794720

約数和(自身を除く): 82907540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 1627, 2117, 3254, 4234, 6508, 8135, 8468, 10585, 16270, 21170, 32540, 42340, 47183, 94366, 118771, 188732, 235915, 237542, 471830, 475084, 593855, 943660, 1187710, 2375420, 3444359, 6888718, 13777436, 17221795, 34443590, 68887180]

約数ペア:

[(1, 68887180), (2, 34443590), (4, 17221795), (5, 13777436), (10, 6888718), (20, 3444359), (29, 2375420), (58, 1187710), (73, 943660), (116, 593855), (145, 475084), (146, 471830), (290, 237542), (292, 235915), (365, 188732), (580, 118771), (730, 94366), (1460, 47183), (1627, 42340), (2117, 32540), (3254, 21170), (4234, 16270), (6508, 10585), (8135, 8468)]