85356340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 183859200

約数和(自身を除く): 98502860

約数列:

[1, 2, 4, 5, 10, 20, 79, 89, 158, 178, 316, 356, 395, 445, 607, 790, 890, 1214, 1580, 1780, 2428, 3035, 6070, 7031, 12140, 14062, 28124, 35155, 47953, 54023, 70310, 95906, 108046, 140620, 191812, 216092, 239765, 270115, 479530, 540230, 959060, 1080460, 4267817, 8535634, 17071268, 21339085, 42678170, 85356340]

約数ペア:

[(1, 85356340), (2, 42678170), (4, 21339085), (5, 17071268), (10, 8535634), (20, 4267817), (79, 1080460), (89, 959060), (158, 540230), (178, 479530), (316, 270115), (356, 239765), (395, 216092), (445, 191812), (607, 140620), (790, 108046), (890, 95906), (1214, 70310), (1580, 54023), (1780, 47953), (2428, 35155), (3035, 28124), (6070, 14062), (7031, 12140)]