28434840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33851}}^1$

素因数の和:33872

約数の個数: 64

約数和(自身を含む): 97493760

約数和(自身を除く): 69058920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33851, 67702, 101553, 135404, 169255, 203106, 236957, 270808, 338510, 406212, 473914, 507765, 677020, 710871, 812424, 947828, 1015530, 1184785, 1354040, 1421742, 1895656, 2031060, 2369570, 2843484, 3554355, 4062120, 4739140, 5686968, 7108710, 9478280, 14217420, 28434840]

約数ペア:

[(1, 28434840), (2, 14217420), (3, 9478280), (4, 7108710), (5, 5686968), (6, 4739140), (7, 4062120), (8, 3554355), (10, 2843484), (12, 2369570), (14, 2031060), (15, 1895656), (20, 1421742), (21, 1354040), (24, 1184785), (28, 1015530), (30, 947828), (35, 812424), (40, 710871), (42, 677020), (56, 507765), (60, 473914), (70, 406212), (84, 338510), (105, 270808), (120, 236957), (140, 203106), (168, 169255), (210, 135404), (280, 101553), (420, 67702), (840, 33851)]