31949000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:807

約数の個数: 64

約数和(自身を含む): 76602240

約数和(自身を除く): 44653240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 172, 200, 215, 250, 344, 430, 500, 743, 860, 1000, 1075, 1486, 1720, 2150, 2972, 3715, 4300, 5375, 5944, 7430, 8600, 10750, 14860, 18575, 21500, 29720, 31949, 37150, 43000, 63898, 74300, 92875, 127796, 148600, 159745, 185750, 255592, 319490, 371500, 638980, 743000, 798725, 1277960, 1597450, 3194900, 3993625, 6389800, 7987250, 15974500, 31949000]

約数ペア:

[(1, 31949000), (2, 15974500), (4, 7987250), (5, 6389800), (8, 3993625), (10, 3194900), (20, 1597450), (25, 1277960), (40, 798725), (43, 743000), (50, 638980), (86, 371500), (100, 319490), (125, 255592), (172, 185750), (200, 159745), (215, 148600), (250, 127796), (344, 92875), (430, 74300), (500, 63898), (743, 43000), (860, 37150), (1000, 31949), (1075, 29720), (1486, 21500), (1720, 18575), (2150, 14860), (2972, 10750), (3715, 8600), (4300, 7430), (5375, 5944)]