56418580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 129352608

約数和(自身を除く): 72934028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 227, 289, 340, 430, 454, 578, 731, 860, 908, 1135, 1156, 1445, 1462, 2270, 2890, 2924, 3655, 3859, 4540, 5780, 7310, 7718, 9761, 12427, 14620, 15436, 19295, 19522, 24854, 38590, 39044, 48805, 49708, 62135, 65603, 77180, 97610, 124270, 131206, 165937, 195220, 248540, 262412, 328015, 331874, 656030, 663748, 829685, 1312060, 1659370, 2820929, 3318740, 5641858, 11283716, 14104645, 28209290, 56418580]

約数ペア:

[(1, 56418580), (2, 28209290), (4, 14104645), (5, 11283716), (10, 5641858), (17, 3318740), (20, 2820929), (34, 1659370), (43, 1312060), (68, 829685), (85, 663748), (86, 656030), (170, 331874), (172, 328015), (215, 262412), (227, 248540), (289, 195220), (340, 165937), (430, 131206), (454, 124270), (578, 97610), (731, 77180), (860, 65603), (908, 62135), (1135, 49708), (1156, 48805), (1445, 39044), (1462, 38590), (2270, 24854), (2890, 19522), (2924, 19295), (3655, 15436), (3859, 14620), (4540, 12427), (5780, 9761), (7310, 7718)]