28343200

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:590

約数の個数: 72

約数和(自身を含む): 70308000

約数和(自身を除く): 41964800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 499, 568, 710, 800, 998, 1136, 1420, 1775, 1996, 2272, 2495, 2840, 3550, 3992, 4990, 5680, 7100, 7984, 9980, 11360, 12475, 14200, 15968, 19960, 24950, 28400, 35429, 39920, 49900, 56800, 70858, 79840, 99800, 141716, 177145, 199600, 283432, 354290, 399200, 566864, 708580, 885725, 1133728, 1417160, 1771450, 2834320, 3542900, 5668640, 7085800, 14171600, 28343200]

約数ペア:

[(1, 28343200), (2, 14171600), (4, 7085800), (5, 5668640), (8, 3542900), (10, 2834320), (16, 1771450), (20, 1417160), (25, 1133728), (32, 885725), (40, 708580), (50, 566864), (71, 399200), (80, 354290), (100, 283432), (142, 199600), (160, 177145), (200, 141716), (284, 99800), (355, 79840), (400, 70858), (499, 56800), (568, 49900), (710, 39920), (800, 35429), (998, 28400), (1136, 24950), (1420, 19960), (1775, 15968), (1996, 14200), (2272, 12475), (2495, 11360), (2840, 9980), (3550, 7984), (3992, 7100), (4990, 5680)]