869360020

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{3727}}^1$

素因数の和:3952

約数の個数: 48

約数和(自身を含む): 1860122880

約数和(自身を除く): 990762860

約数列:

[1, 2, 4, 5, 10, 20, 107, 109, 214, 218, 428, 436, 535, 545, 1070, 1090, 2140, 2180, 3727, 7454, 11663, 14908, 18635, 23326, 37270, 46652, 58315, 74540, 116630, 233260, 398789, 406243, 797578, 812486, 1595156, 1624972, 1993945, 2031215, 3987890, 4062430, 7975780, 8124860, 43468001, 86936002, 173872004, 217340005, 434680010, 869360020]

約数ペア:

[(1, 869360020), (2, 434680010), (4, 217340005), (5, 173872004), (10, 86936002), (20, 43468001), (107, 8124860), (109, 7975780), (214, 4062430), (218, 3987890), (428, 2031215), (436, 1993945), (535, 1624972), (545, 1595156), (1070, 812486), (1090, 797578), (2140, 406243), (2180, 398789), (3727, 233260), (7454, 116630), (11663, 74540), (14908, 58315), (18635, 46652), (23326, 37270)]