916975580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^2\times {\mathrm{227}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 2066864688

約数和(自身を除く): 1149889108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 227, 340, 436, 454, 545, 908, 1090, 1135, 1853, 2180, 2270, 3706, 3859, 4540, 7412, 7718, 9265, 11881, 15436, 18530, 19295, 23762, 24743, 37060, 38590, 47524, 49486, 59405, 77180, 98972, 118810, 123715, 201977, 237620, 247430, 403954, 420631, 494860, 807908, 841262, 1009885, 1682524, 2019770, 2103155, 2696987, 4039540, 4206310, 5393974, 8412620, 10787948, 13484935, 26969870, 45848779, 53939740, 91697558, 183395116, 229243895, 458487790, 916975580]

約数ペア:

[(1, 916975580), (2, 458487790), (4, 229243895), (5, 183395116), (10, 91697558), (17, 53939740), (20, 45848779), (34, 26969870), (68, 13484935), (85, 10787948), (109, 8412620), (170, 5393974), (218, 4206310), (227, 4039540), (340, 2696987), (436, 2103155), (454, 2019770), (545, 1682524), (908, 1009885), (1090, 841262), (1135, 807908), (1853, 494860), (2180, 420631), (2270, 403954), (3706, 247430), (3859, 237620), (4540, 201977), (7412, 123715), (7718, 118810), (9265, 98972), (11881, 77180), (15436, 59405), (18530, 49486), (19295, 47524), (23762, 38590), (24743, 37060)]