253441020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{603431}}^1$

素因数の和:603450

約数の個数: 48

約数和(自身を含む): 811012608

約数和(自身を除く): 557571588

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, 603431, 1206862, 1810293, 2413724, 3017155, 3620586, 4224017, 6034310, 7241172, 8448034, 9051465, 12068620, 12672051, 16896068, 18102930, 21120085, 25344102, 36205860, 42240170, 50688204, 63360255, 84480340, 126720510, 253441020]

約数ペア:

[(1, 253441020), (2, 126720510), (3, 84480340), (4, 63360255), (5, 50688204), (6, 42240170), (7, 36205860), (10, 25344102), (12, 21120085), (14, 18102930), (15, 16896068), (20, 12672051), (21, 12068620), (28, 9051465), (30, 8448034), (35, 7241172), (42, 6034310), (60, 4224017), (70, 3620586), (84, 3017155), (105, 2413724), (140, 1810293), (210, 1206862), (420, 603431)]