391473460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1259}}^1\times {\mathrm{2221}}^1$

素因数の和:3496

約数の個数: 48

約数和(自身を含む): 940705920

約数和(自身を除く): 549232460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1259, 2221, 2518, 4442, 5036, 6295, 8813, 8884, 11105, 12590, 15547, 17626, 22210, 25180, 31094, 35252, 44065, 44420, 62188, 77735, 88130, 155470, 176260, 310940, 2796239, 5592478, 11184956, 13981195, 19573673, 27962390, 39147346, 55924780, 78294692, 97868365, 195736730, 391473460]

約数ペア:

[(1, 391473460), (2, 195736730), (4, 97868365), (5, 78294692), (7, 55924780), (10, 39147346), (14, 27962390), (20, 19573673), (28, 13981195), (35, 11184956), (70, 5592478), (140, 2796239), (1259, 310940), (2221, 176260), (2518, 155470), (4442, 88130), (5036, 77735), (6295, 62188), (8813, 44420), (8884, 44065), (11105, 35252), (12590, 31094), (15547, 25180), (17626, 22210)]