624336020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{405413}}^1$

素因数の和:405440

約数の個数: 48

約数和(自身を含む): 1634629248

約数和(自身を除く): 1010293228

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 405413, 810826, 1621652, 2027065, 2837891, 4054130, 4459543, 5675782, 8108260, 8919086, 11351564, 14189455, 17838172, 22297715, 28378910, 31216801, 44595430, 56757820, 62433602, 89190860, 124867204, 156084005, 312168010, 624336020]

約数ペア:

[(1, 624336020), (2, 312168010), (4, 156084005), (5, 124867204), (7, 89190860), (10, 62433602), (11, 56757820), (14, 44595430), (20, 31216801), (22, 28378910), (28, 22297715), (35, 17838172), (44, 14189455), (55, 11351564), (70, 8919086), (77, 8108260), (110, 5675782), (140, 4459543), (154, 4054130), (220, 2837891), (308, 2027065), (385, 1621652), (770, 810826), (1540, 405413)]