31528700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:711

約数の個数: 72

約数和(自身を含む): 79390752

約数和(自身を除く): 47862052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 73, 100, 140, 146, 175, 292, 350, 365, 511, 617, 700, 730, 1022, 1234, 1460, 1825, 2044, 2468, 2555, 3085, 3650, 4319, 5110, 6170, 7300, 8638, 10220, 12340, 12775, 15425, 17276, 21595, 25550, 30850, 43190, 45041, 51100, 61700, 86380, 90082, 107975, 180164, 215950, 225205, 315287, 431900, 450410, 630574, 900820, 1126025, 1261148, 1576435, 2252050, 3152870, 4504100, 6305740, 7882175, 15764350, 31528700]

約数ペア:

[(1, 31528700), (2, 15764350), (4, 7882175), (5, 6305740), (7, 4504100), (10, 3152870), (14, 2252050), (20, 1576435), (25, 1261148), (28, 1126025), (35, 900820), (50, 630574), (70, 450410), (73, 431900), (100, 315287), (140, 225205), (146, 215950), (175, 180164), (292, 107975), (350, 90082), (365, 86380), (511, 61700), (617, 51100), (700, 45041), (730, 43190), (1022, 30850), (1234, 25550), (1460, 21595), (1825, 17276), (2044, 15425), (2468, 12775), (2555, 12340), (3085, 10220), (3650, 8638), (4319, 7300), (5110, 6170)]