155542180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{10639}}^1$

素因数の和:10708

約数の個数: 48

約数和(自身を含む): 353928960

約数和(自身を除く): 198386780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 10639, 14620, 21278, 42556, 53195, 106390, 180863, 212780, 361726, 457477, 723452, 904315, 914954, 1808630, 1829908, 2287385, 3617260, 4574770, 7777109, 9149540, 15554218, 31108436, 38885545, 77771090, 155542180]

約数ペア:

[(1, 155542180), (2, 77771090), (4, 38885545), (5, 31108436), (10, 15554218), (17, 9149540), (20, 7777109), (34, 4574770), (43, 3617260), (68, 2287385), (85, 1829908), (86, 1808630), (170, 914954), (172, 904315), (215, 723452), (340, 457477), (430, 361726), (731, 212780), (860, 180863), (1462, 106390), (2924, 53195), (3655, 42556), (7310, 21278), (10639, 14620)]