4357640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 11404800

約数和(自身を除く): 7047160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 197, 280, 316, 394, 395, 553, 632, 788, 790, 985, 1106, 1379, 1576, 1580, 1970, 2212, 2758, 2765, 3160, 3940, 4424, 5516, 5530, 6895, 7880, 11032, 11060, 13790, 15563, 22120, 27580, 31126, 55160, 62252, 77815, 108941, 124504, 155630, 217882, 311260, 435764, 544705, 622520, 871528, 1089410, 2178820, 4357640]

約数ペア:

[(1, 4357640), (2, 2178820), (4, 1089410), (5, 871528), (7, 622520), (8, 544705), (10, 435764), (14, 311260), (20, 217882), (28, 155630), (35, 124504), (40, 108941), (56, 77815), (70, 62252), (79, 55160), (140, 31126), (158, 27580), (197, 22120), (280, 15563), (316, 13790), (394, 11060), (395, 11032), (553, 7880), (632, 6895), (788, 5530), (790, 5516), (985, 4424), (1106, 3940), (1379, 3160), (1576, 2765), (1580, 2758), (1970, 2212)]