639160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:88

約数の個数: 48

約数和(自身を含む): 1567800

約数和(自身を除く): 928640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 841, 1102, 1160, 1682, 2204, 2755, 3364, 4205, 4408, 5510, 6728, 8410, 11020, 15979, 16820, 22040, 31958, 33640, 63916, 79895, 127832, 159790, 319580, 639160]

約数ペア:

[(1, 639160), (2, 319580), (4, 159790), (5, 127832), (8, 79895), (10, 63916), (19, 33640), (20, 31958), (29, 22040), (38, 16820), (40, 15979), (58, 11020), (76, 8410), (95, 6728), (116, 5510), (145, 4408), (152, 4205), (190, 3364), (232, 2755), (290, 2204), (380, 1682), (551, 1160), (580, 1102), (760, 841)]