668320460

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{3301}}^1$

素因数の和:3554

約数の個数: 48

約数和(自身を含む): 1437875712

約数和(自身を除く): 769555252

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 191, 212, 265, 382, 530, 764, 955, 1060, 1910, 3301, 3820, 6602, 10123, 13204, 16505, 20246, 33010, 40492, 50615, 66020, 101230, 174953, 202460, 349906, 630491, 699812, 874765, 1260982, 1749530, 2521964, 3152455, 3499060, 6304910, 12609820, 33416023, 66832046, 133664092, 167080115, 334160230, 668320460]

約数ペア:

[(1, 668320460), (2, 334160230), (4, 167080115), (5, 133664092), (10, 66832046), (20, 33416023), (53, 12609820), (106, 6304910), (191, 3499060), (212, 3152455), (265, 2521964), (382, 1749530), (530, 1260982), (764, 874765), (955, 699812), (1060, 630491), (1910, 349906), (3301, 202460), (3820, 174953), (6602, 101230), (10123, 66020), (13204, 50615), (16505, 40492), (20246, 33010)]