948319340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 2076614736

約数和(自身を除く): 1128295396

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 268, 335, 410, 421, 670, 820, 842, 1340, 1681, 1684, 2105, 2747, 3362, 4210, 5494, 6724, 8405, 8420, 10988, 13735, 16810, 17261, 27470, 28207, 33620, 34522, 54940, 56414, 69044, 86305, 112627, 112828, 141035, 172610, 225254, 282070, 345220, 450508, 563135, 564140, 707701, 1126270, 1156487, 1415402, 2252540, 2312974, 2830804, 3538505, 4625948, 5782435, 7077010, 11564870, 14154020, 23129740, 47415967, 94831934, 189663868, 237079835, 474159670, 948319340]

約数ペア:

[(1, 948319340), (2, 474159670), (4, 237079835), (5, 189663868), (10, 94831934), (20, 47415967), (41, 23129740), (67, 14154020), (82, 11564870), (134, 7077010), (164, 5782435), (205, 4625948), (268, 3538505), (335, 2830804), (410, 2312974), (421, 2252540), (670, 1415402), (820, 1156487), (842, 1126270), (1340, 707701), (1681, 564140), (1684, 563135), (2105, 450508), (2747, 345220), (3362, 282070), (4210, 225254), (5494, 172610), (6724, 141035), (8405, 112828), (8420, 112627), (10988, 86305), (13735, 69044), (16810, 56414), (17261, 54940), (27470, 34522), (28207, 33620)]