30409000

素因数分解:

$2^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 72783360

約数和(自身を除く): 42374360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 188, 200, 235, 250, 376, 470, 500, 647, 940, 1000, 1175, 1294, 1880, 2350, 2588, 3235, 4700, 5176, 5875, 6470, 9400, 11750, 12940, 16175, 23500, 25880, 30409, 32350, 47000, 60818, 64700, 80875, 121636, 129400, 152045, 161750, 243272, 304090, 323500, 608180, 647000, 760225, 1216360, 1520450, 3040900, 3801125, 6081800, 7602250, 15204500, 30409000]

約数ペア:

[(1, 30409000), (2, 15204500), (4, 7602250), (5, 6081800), (8, 3801125), (10, 3040900), (20, 1520450), (25, 1216360), (40, 760225), (47, 647000), (50, 608180), (94, 323500), (100, 304090), (125, 243272), (188, 161750), (200, 152045), (235, 129400), (250, 121636), (376, 80875), (470, 64700), (500, 60818), (647, 47000), (940, 32350), (1000, 30409), (1175, 25880), (1294, 23500), (1880, 16175), (2350, 12940), (2588, 11750), (3235, 9400), (4700, 6470), (5176, 5875)]