859635620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{42683}}^1$

素因数の和:42764

約数の個数: 48

約数和(自身を含む): 1936146240

約数和(自身を除く): 1076510620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 2014, 4028, 5035, 10070, 20140, 42683, 85366, 170732, 213415, 426830, 810977, 853660, 1621954, 2262199, 3243908, 4054885, 4524398, 8109770, 9048796, 11310995, 16219540, 22621990, 42981781, 45243980, 85963562, 171927124, 214908905, 429817810, 859635620]

約数ペア:

[(1, 859635620), (2, 429817810), (4, 214908905), (5, 171927124), (10, 85963562), (19, 45243980), (20, 42981781), (38, 22621990), (53, 16219540), (76, 11310995), (95, 9048796), (106, 8109770), (190, 4524398), (212, 4054885), (265, 3243908), (380, 2262199), (530, 1621954), (1007, 853660), (1060, 810977), (2014, 426830), (4028, 213415), (5035, 170732), (10070, 85366), (20140, 42683)]