27730700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6449}}^1$

素因数の和:6506

約数の個数: 36

約数和(自身を含む): 61584600

約数和(自身を除く): 33853900

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 6449, 12898, 25796, 32245, 64490, 128980, 161225, 277307, 322450, 554614, 644900, 1109228, 1386535, 2773070, 5546140, 6932675, 13865350, 27730700]

約数ペア:

[(1, 27730700), (2, 13865350), (4, 6932675), (5, 5546140), (10, 2773070), (20, 1386535), (25, 1109228), (43, 644900), (50, 554614), (86, 322450), (100, 277307), (172, 161225), (215, 128980), (430, 64490), (860, 32245), (1075, 25796), (2150, 12898), (4300, 6449)]