48989900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{11393}}^1$

素因数の和:11450

約数の個数: 36

約数和(自身を含む): 108789912

約数和(自身を除く): 59800012

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 11393, 22786, 45572, 56965, 113930, 227860, 284825, 489899, 569650, 979798, 1139300, 1959596, 2449495, 4898990, 9797980, 12247475, 24494950, 48989900]

約数ペア:

[(1, 48989900), (2, 24494950), (4, 12247475), (5, 9797980), (10, 4898990), (20, 2449495), (25, 1959596), (43, 1139300), (50, 979798), (86, 569650), (100, 489899), (172, 284825), (215, 227860), (430, 113930), (860, 56965), (1075, 45572), (2150, 22786), (4300, 11393)]