520997000

素因数分解:

$2^3\times 5^3\times {\mathrm{37}}^1\times {\mathrm{14081}}^1$

素因数の和:14139

約数の個数: 64

約数和(自身を含む): 1252171440

約数和(自身を除く): 731174440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 125, 148, 185, 200, 250, 296, 370, 500, 740, 925, 1000, 1480, 1850, 3700, 4625, 7400, 9250, 14081, 18500, 28162, 37000, 56324, 70405, 112648, 140810, 281620, 352025, 520997, 563240, 704050, 1041994, 1408100, 1760125, 2083988, 2604985, 2816200, 3520250, 4167976, 5209970, 7040500, 10419940, 13024925, 14081000, 20839880, 26049850, 52099700, 65124625, 104199400, 130249250, 260498500, 520997000]

約数ペア:

[(1, 520997000), (2, 260498500), (4, 130249250), (5, 104199400), (8, 65124625), (10, 52099700), (20, 26049850), (25, 20839880), (37, 14081000), (40, 13024925), (50, 10419940), (74, 7040500), (100, 5209970), (125, 4167976), (148, 3520250), (185, 2816200), (200, 2604985), (250, 2083988), (296, 1760125), (370, 1408100), (500, 1041994), (740, 704050), (925, 563240), (1000, 520997), (1480, 352025), (1850, 281620), (3700, 140810), (4625, 112648), (7400, 70405), (9250, 56324), (14081, 37000), (18500, 28162)]