89239780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2221}}^1$

素因数の和:2285

約数の個数: 72

約数和(自身を含む): 223417656

約数和(自身を除く): 134177876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2221, 2870, 4018, 4442, 5740, 8036, 8884, 10045, 11105, 15547, 20090, 22210, 31094, 40180, 44420, 62188, 77735, 91061, 108829, 155470, 182122, 217658, 310940, 364244, 435316, 455305, 544145, 637427, 910610, 1088290, 1274854, 1821220, 2176580, 2549708, 3187135, 4461989, 6374270, 8923978, 12748540, 17847956, 22309945, 44619890, 89239780]

約数ペア:

[(1, 89239780), (2, 44619890), (4, 22309945), (5, 17847956), (7, 12748540), (10, 8923978), (14, 6374270), (20, 4461989), (28, 3187135), (35, 2549708), (41, 2176580), (49, 1821220), (70, 1274854), (82, 1088290), (98, 910610), (140, 637427), (164, 544145), (196, 455305), (205, 435316), (245, 364244), (287, 310940), (410, 217658), (490, 182122), (574, 155470), (820, 108829), (980, 91061), (1148, 77735), (1435, 62188), (2009, 44420), (2221, 40180), (2870, 31094), (4018, 22210), (4442, 20090), (5740, 15547), (8036, 11105), (8884, 10045)]