30515800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 82494720

約数和(自身を除く): 51978920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 71, 100, 140, 142, 175, 200, 280, 284, 307, 350, 355, 497, 568, 614, 700, 710, 994, 1228, 1400, 1420, 1535, 1775, 1988, 2149, 2456, 2485, 2840, 3070, 3550, 3976, 4298, 4970, 6140, 7100, 7675, 8596, 9940, 10745, 12280, 12425, 14200, 15350, 17192, 19880, 21490, 21797, 24850, 30700, 42980, 43594, 49700, 53725, 61400, 85960, 87188, 99400, 107450, 108985, 152579, 174376, 214900, 217970, 305158, 429800, 435940, 544925, 610316, 762895, 871880, 1089850, 1220632, 1525790, 2179700, 3051580, 3814475, 4359400, 6103160, 7628950, 15257900, 30515800]

約数ペア:

[(1, 30515800), (2, 15257900), (4, 7628950), (5, 6103160), (7, 4359400), (8, 3814475), (10, 3051580), (14, 2179700), (20, 1525790), (25, 1220632), (28, 1089850), (35, 871880), (40, 762895), (50, 610316), (56, 544925), (70, 435940), (71, 429800), (100, 305158), (140, 217970), (142, 214900), (175, 174376), (200, 152579), (280, 108985), (284, 107450), (307, 99400), (350, 87188), (355, 85960), (497, 61400), (568, 53725), (614, 49700), (700, 43594), (710, 42980), (994, 30700), (1228, 24850), (1400, 21797), (1420, 21490), (1535, 19880), (1775, 17192), (1988, 15350), (2149, 14200), (2456, 12425), (2485, 12280), (2840, 10745), (3070, 9940), (3550, 8596), (3976, 7675), (4298, 7100), (4970, 6140)]