7290400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{701}}^1$

素因数の和:734

約数の個数: 72

約数和(自身を含む): 19194084

約数和(自身を除く): 11903684

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 701, 800, 1040, 1300, 1402, 2080, 2600, 2804, 3505, 5200, 5608, 7010, 9113, 10400, 11216, 14020, 17525, 18226, 22432, 28040, 35050, 36452, 45565, 56080, 70100, 72904, 91130, 112160, 140200, 145808, 182260, 227825, 280400, 291616, 364520, 455650, 560800, 729040, 911300, 1458080, 1822600, 3645200, 7290400]

約数ペア:

[(1, 7290400), (2, 3645200), (4, 1822600), (5, 1458080), (8, 911300), (10, 729040), (13, 560800), (16, 455650), (20, 364520), (25, 291616), (26, 280400), (32, 227825), (40, 182260), (50, 145808), (52, 140200), (65, 112160), (80, 91130), (100, 72904), (104, 70100), (130, 56080), (160, 45565), (200, 36452), (208, 35050), (260, 28040), (325, 22432), (400, 18226), (416, 17525), (520, 14020), (650, 11216), (701, 10400), (800, 9113), (1040, 7010), (1300, 5608), (1402, 5200), (2080, 3505), (2600, 2804)]