2282840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 6082560

約数和(自身を除く): 3799720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 263, 280, 310, 434, 526, 620, 868, 1052, 1085, 1240, 1315, 1736, 1841, 2104, 2170, 2630, 3682, 4340, 5260, 7364, 8153, 8680, 9205, 10520, 14728, 16306, 18410, 32612, 36820, 40765, 57071, 65224, 73640, 81530, 114142, 163060, 228284, 285355, 326120, 456568, 570710, 1141420, 2282840]

約数ペア:

[(1, 2282840), (2, 1141420), (4, 570710), (5, 456568), (7, 326120), (8, 285355), (10, 228284), (14, 163060), (20, 114142), (28, 81530), (31, 73640), (35, 65224), (40, 57071), (56, 40765), (62, 36820), (70, 32612), (124, 18410), (140, 16306), (155, 14728), (217, 10520), (248, 9205), (263, 8680), (280, 8153), (310, 7364), (434, 5260), (526, 4340), (620, 3682), (868, 2630), (1052, 2170), (1085, 2104), (1240, 1841), (1315, 1736)]