128475500

素因数分解:

$2^2\times 5^3\times {\mathrm{263}}^1\times {\mathrm{977}}^1$

素因数の和:1259

約数の個数: 48

約数和(自身を含む): 281945664

約数和(自身を除く): 153470164

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 263, 500, 526, 977, 1052, 1315, 1954, 2630, 3908, 4885, 5260, 6575, 9770, 13150, 19540, 24425, 26300, 32875, 48850, 65750, 97700, 122125, 131500, 244250, 256951, 488500, 513902, 1027804, 1284755, 2569510, 5139020, 6423775, 12847550, 25695100, 32118875, 64237750, 128475500]

約数ペア:

[(1, 128475500), (2, 64237750), (4, 32118875), (5, 25695100), (10, 12847550), (20, 6423775), (25, 5139020), (50, 2569510), (100, 1284755), (125, 1027804), (250, 513902), (263, 488500), (500, 256951), (526, 244250), (977, 131500), (1052, 122125), (1315, 97700), (1954, 65750), (2630, 48850), (3908, 32875), (4885, 26300), (5260, 24425), (6575, 19540), (9770, 13150)]