420395025

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{499}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 714240000

約数和(自身を除く): 293844975

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 239, 499, 705, 717, 1175, 1195, 1497, 2495, 3525, 3585, 5975, 7485, 11233, 12475, 17925, 23453, 33699, 37425, 56165, 70359, 117265, 119261, 168495, 280825, 351795, 357783, 586325, 596305, 842475, 1758975, 1788915, 2981525, 5605267, 8944575, 16815801, 28026335, 84079005, 140131675, 420395025]

約数ペア:

[(1, 420395025), (3, 140131675), (5, 84079005), (15, 28026335), (25, 16815801), (47, 8944575), (75, 5605267), (141, 2981525), (235, 1788915), (239, 1758975), (499, 842475), (705, 596305), (717, 586325), (1175, 357783), (1195, 351795), (1497, 280825), (2495, 168495), (3525, 119261), (3585, 117265), (5975, 70359), (7485, 56165), (11233, 37425), (12475, 33699), (17925, 23453)]