283791280

素因数分解:

$2^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{7109}}^1$

素因数の和:7621

約数の個数: 40

約数和(自身を含む): 661230000

約数和(自身を除く): 377438720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 998, 1996, 2495, 3992, 4990, 7109, 7984, 9980, 14218, 19960, 28436, 35545, 39920, 56872, 71090, 113744, 142180, 284360, 568720, 3547391, 7094782, 14189564, 17736955, 28379128, 35473910, 56758256, 70947820, 141895640, 283791280]

約数ペア:

[(1, 283791280), (2, 141895640), (4, 70947820), (5, 56758256), (8, 35473910), (10, 28379128), (16, 17736955), (20, 14189564), (40, 7094782), (80, 3547391), (499, 568720), (998, 284360), (1996, 142180), (2495, 113744), (3992, 71090), (4990, 56872), (7109, 39920), (7984, 35545), (9980, 28436), (14218, 19960)]