203911240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1447}}^1$

素因数の和:1742

約数の個数: 64

約数和(自身を含む): 496258560

約数和(自身を除く): 292347320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 271, 520, 542, 1084, 1355, 1447, 2168, 2710, 2894, 3523, 5420, 5788, 7046, 7235, 10840, 11576, 14092, 14470, 17615, 18811, 28184, 28940, 35230, 37622, 57880, 70460, 75244, 94055, 140920, 150488, 188110, 376220, 392137, 752440, 784274, 1568548, 1960685, 3137096, 3921370, 5097781, 7842740, 10195562, 15685480, 20391124, 25488905, 40782248, 50977810, 101955620, 203911240]

約数ペア:

[(1, 203911240), (2, 101955620), (4, 50977810), (5, 40782248), (8, 25488905), (10, 20391124), (13, 15685480), (20, 10195562), (26, 7842740), (40, 5097781), (52, 3921370), (65, 3137096), (104, 1960685), (130, 1568548), (260, 784274), (271, 752440), (520, 392137), (542, 376220), (1084, 188110), (1355, 150488), (1447, 140920), (2168, 94055), (2710, 75244), (2894, 70460), (3523, 57880), (5420, 37622), (5788, 35230), (7046, 28940), (7235, 28184), (10840, 18811), (11576, 17615), (14092, 14470)]