1889405680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{814399}}^1$

素因数の和:814441

約数の個数: 40

約数和(自身を含む): 4544352000

約数和(自身を除く): 2654946320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 814399, 1628798, 3257596, 4071995, 6515192, 8143990, 13030384, 16287980, 23617571, 32575960, 47235142, 65151920, 94470284, 118087855, 188940568, 236175710, 377881136, 472351420, 944702840, 1889405680]

約数ペア:

[(1, 1889405680), (2, 944702840), (4, 472351420), (5, 377881136), (8, 236175710), (10, 188940568), (16, 118087855), (20, 94470284), (29, 65151920), (40, 47235142), (58, 32575960), (80, 23617571), (116, 16287980), (145, 13030384), (232, 8143990), (290, 6515192), (464, 4071995), (580, 3257596), (1160, 1628798), (2320, 814399)]