219089508520

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{587}}^1\times {\mathrm{36307}}^1$

素因数の和:37162

約数の個数: 64

約数和(自身を含む): 495726194880

約数和(自身を除く): 276636686360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 587, 1028, 1174, 1285, 2056, 2348, 2570, 2935, 4696, 5140, 5870, 10280, 11740, 23480, 36307, 72614, 145228, 150859, 181535, 290456, 301718, 363070, 603436, 726140, 754295, 1206872, 1452280, 1508590, 3017180, 6034360, 9330899, 18661798, 21312209, 37323596, 42624418, 46654495, 74647192, 85248836, 93308990, 106561045, 170497672, 186617980, 213122090, 373235960, 426244180, 852488360, 5477237713, 10954475426, 21908950852, 27386188565, 43817901704, 54772377130, 109544754260, 219089508520]

約数ペア:

[(1, 219089508520), (2, 109544754260), (4, 54772377130), (5, 43817901704), (8, 27386188565), (10, 21908950852), (20, 10954475426), (40, 5477237713), (257, 852488360), (514, 426244180), (587, 373235960), (1028, 213122090), (1174, 186617980), (1285, 170497672), (2056, 106561045), (2348, 93308990), (2570, 85248836), (2935, 74647192), (4696, 46654495), (5140, 42624418), (5870, 37323596), (10280, 21312209), (11740, 18661798), (23480, 9330899), (36307, 6034360), (72614, 3017180), (145228, 1508590), (150859, 1452280), (181535, 1206872), (290456, 754295), (301718, 726140), (363070, 603436)]