204431440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{88117}}^1$

素因数の和:88159

約数の個数: 40

約数和(自身を含む): 491698440

約数和(自身を除く): 287267000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 88117, 176234, 352468, 440585, 704936, 881170, 1409872, 1762340, 2555393, 3524680, 5110786, 7049360, 10221572, 12776965, 20443144, 25553930, 40886288, 51107860, 102215720, 204431440]

約数ペア:

[(1, 204431440), (2, 102215720), (4, 51107860), (5, 40886288), (8, 25553930), (10, 20443144), (16, 12776965), (20, 10221572), (29, 7049360), (40, 5110786), (58, 3524680), (80, 2555393), (116, 1762340), (145, 1409872), (232, 881170), (290, 704936), (464, 440585), (580, 352468), (1160, 176234), (2320, 88117)]