28882840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3557}}^1$

素因数の和:3604

約数の個数: 64

約数和(自身を含む): 76852800

約数和(自身を除く): 47969960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 3557, 4060, 7114, 8120, 14228, 17785, 24899, 28456, 35570, 49798, 71140, 99596, 103153, 124495, 142280, 199192, 206306, 248990, 412612, 497980, 515765, 722071, 825224, 995960, 1031530, 1444142, 2063060, 2888284, 3610355, 4126120, 5776568, 7220710, 14441420, 28882840]

約数ペア:

[(1, 28882840), (2, 14441420), (4, 7220710), (5, 5776568), (7, 4126120), (8, 3610355), (10, 2888284), (14, 2063060), (20, 1444142), (28, 1031530), (29, 995960), (35, 825224), (40, 722071), (56, 515765), (58, 497980), (70, 412612), (116, 248990), (140, 206306), (145, 199192), (203, 142280), (232, 124495), (280, 103153), (290, 99596), (406, 71140), (580, 49798), (812, 35570), (1015, 28456), (1160, 24899), (1624, 17785), (2030, 14228), (3557, 8120), (4060, 7114)]