291208880

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{11483}}^1$

素因数の和:11813

約数の個数: 40

約数和(自身を含む): 679255632

約数和(自身を除く): 388046752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 3170, 5072, 6340, 11483, 12680, 22966, 25360, 45932, 57415, 91864, 114830, 183728, 229660, 459320, 918640, 3640111, 7280222, 14560444, 18200555, 29120888, 36401110, 58241776, 72802220, 145604440, 291208880]

約数ペア:

[(1, 291208880), (2, 145604440), (4, 72802220), (5, 58241776), (8, 36401110), (10, 29120888), (16, 18200555), (20, 14560444), (40, 7280222), (80, 3640111), (317, 918640), (634, 459320), (1268, 229660), (1585, 183728), (2536, 114830), (3170, 91864), (5072, 57415), (6340, 45932), (11483, 25360), (12680, 22966)]