622801400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{239539}}^1$

素因数の和:239568

約数の個数: 48

約数和(自身を含む): 1559405400

約数和(自身を除く): 936604000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 239539, 479078, 958156, 1197695, 1916312, 2395390, 3114007, 4790780, 5988475, 6228014, 9581560, 11976950, 12456028, 15570035, 23953900, 24912056, 31140070, 47907800, 62280140, 77850175, 124560280, 155700350, 311400700, 622801400]

約数ペア:

[(1, 622801400), (2, 311400700), (4, 155700350), (5, 124560280), (8, 77850175), (10, 62280140), (13, 47907800), (20, 31140070), (25, 24912056), (26, 23953900), (40, 15570035), (50, 12456028), (52, 11976950), (65, 9581560), (100, 6228014), (104, 5988475), (130, 4790780), (200, 3114007), (260, 2395390), (325, 1916312), (520, 1197695), (650, 958156), (1300, 479078), (2600, 239539)]