1490226780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3548159}}^1$

素因数の和:3548178

約数の個数: 48

約数和(自身を含む): 4768727040

約数和(自身を除く): 3278500260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3548159, 7096318, 10644477, 14192636, 17740795, 21288954, 24837113, 35481590, 42577908, 49674226, 53222385, 70963180, 74511339, 99348452, 106444770, 124185565, 149022678, 212889540, 248371130, 298045356, 372556695, 496742260, 745113390, 1490226780]

約数ペア:

[(1, 1490226780), (2, 745113390), (3, 496742260), (4, 372556695), (5, 298045356), (6, 248371130), (7, 212889540), (10, 149022678), (12, 124185565), (14, 106444770), (15, 99348452), (20, 74511339), (21, 70963180), (28, 53222385), (30, 49674226), (35, 42577908), (42, 35481590), (60, 24837113), (70, 21288954), (84, 17740795), (105, 14192636), (140, 10644477), (210, 7096318), (420, 3548159)]