2425540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 5785920

約数和(自身を除く): 3360380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 491, 494, 982, 988, 1235, 1964, 2455, 2470, 4910, 4940, 6383, 9329, 9820, 12766, 18658, 25532, 31915, 37316, 46645, 63830, 93290, 121277, 127660, 186580, 242554, 485108, 606385, 1212770, 2425540]

約数ペア:

[(1, 2425540), (2, 1212770), (4, 606385), (5, 485108), (10, 242554), (13, 186580), (19, 127660), (20, 121277), (26, 93290), (38, 63830), (52, 46645), (65, 37316), (76, 31915), (95, 25532), (130, 18658), (190, 12766), (247, 9820), (260, 9329), (380, 6383), (491, 4940), (494, 4910), (982, 2470), (988, 2455), (1235, 1964)]