128273800

素因数分解:

$2^3\times 5^2\times {\mathrm{673}}^1\times {\mathrm{953}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 298993140

約数和(自身を除く): 170719340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 673, 953, 1346, 1906, 2692, 3365, 3812, 4765, 5384, 6730, 7624, 9530, 13460, 16825, 19060, 23825, 26920, 33650, 38120, 47650, 67300, 95300, 134600, 190600, 641369, 1282738, 2565476, 3206845, 5130952, 6413690, 12827380, 16034225, 25654760, 32068450, 64136900, 128273800]

約数ペア:

[(1, 128273800), (2, 64136900), (4, 32068450), (5, 25654760), (8, 16034225), (10, 12827380), (20, 6413690), (25, 5130952), (40, 3206845), (50, 2565476), (100, 1282738), (200, 641369), (673, 190600), (953, 134600), (1346, 95300), (1906, 67300), (2692, 47650), (3365, 38120), (3812, 33650), (4765, 26920), (5384, 23825), (6730, 19060), (7624, 16825), (9530, 13460)]