4145820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{9871}}^1$

素因数の和:9890

約数の個数: 48

約数和(自身を含む): 13267968

約数和(自身を除く): 9122148

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, 9871, 19742, 29613, 39484, 49355, 59226, 69097, 98710, 118452, 138194, 148065, 197420, 207291, 276388, 296130, 345485, 414582, 592260, 690970, 829164, 1036455, 1381940, 2072910, 4145820]

約数ペア:

[(1, 4145820), (2, 2072910), (3, 1381940), (4, 1036455), (5, 829164), (6, 690970), (7, 592260), (10, 414582), (12, 345485), (14, 296130), (15, 276388), (20, 207291), (21, 197420), (28, 148065), (30, 138194), (35, 118452), (42, 98710), (60, 69097), (70, 59226), (84, 49355), (105, 39484), (140, 29613), (210, 19742), (420, 9871)]