146973820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^2\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 359450784

約数和(自身を除く): 212476964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 197, 292, 365, 394, 511, 730, 788, 985, 1022, 1379, 1460, 1970, 2044, 2555, 2758, 3940, 5110, 5329, 5516, 6895, 10220, 10658, 13790, 14381, 21316, 26645, 27580, 28762, 37303, 53290, 57524, 71905, 74606, 100667, 106580, 143810, 149212, 186515, 201334, 287620, 373030, 402668, 503335, 746060, 1006670, 1049813, 2013340, 2099626, 4199252, 5249065, 7348691, 10498130, 14697382, 20996260, 29394764, 36743455, 73486910, 146973820]

約数ペア:

[(1, 146973820), (2, 73486910), (4, 36743455), (5, 29394764), (7, 20996260), (10, 14697382), (14, 10498130), (20, 7348691), (28, 5249065), (35, 4199252), (70, 2099626), (73, 2013340), (140, 1049813), (146, 1006670), (197, 746060), (292, 503335), (365, 402668), (394, 373030), (511, 287620), (730, 201334), (788, 186515), (985, 149212), (1022, 143810), (1379, 106580), (1460, 100667), (1970, 74606), (2044, 71905), (2555, 57524), (2758, 53290), (3940, 37303), (5110, 28762), (5329, 27580), (5516, 26645), (6895, 21316), (10220, 14381), (10658, 13790)]