256534495420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6857}}^1\times {\mathrm{267229}}^1$

素因数の和:274102

約数の個数: 48

約数和(自身を含む): 615774882240

約数和(自身を除く): 359240386820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6857, 13714, 27428, 34285, 47999, 68570, 95998, 137140, 191996, 239995, 267229, 479990, 534458, 959980, 1068916, 1336145, 1870603, 2672290, 3741206, 5344580, 7482412, 9353015, 18706030, 37412060, 1832389253, 3664778506, 7329557012, 9161946265, 12826724771, 18323892530, 25653449542, 36647785060, 51306899084, 64133623855, 128267247710, 256534495420]

約数ペア:

[(1, 256534495420), (2, 128267247710), (4, 64133623855), (5, 51306899084), (7, 36647785060), (10, 25653449542), (14, 18323892530), (20, 12826724771), (28, 9161946265), (35, 7329557012), (70, 3664778506), (140, 1832389253), (6857, 37412060), (13714, 18706030), (27428, 9353015), (34285, 7482412), (47999, 5344580), (68570, 3741206), (95998, 2672290), (137140, 1870603), (191996, 1336145), (239995, 1068916), (267229, 959980), (479990, 534458)]