794271400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{305489}}^1$

素因数の和:305518

約数の個数: 48

約数和(自身を含む): 1988739900

約数和(自身を除く): 1194468500

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, 305489, 610978, 1221956, 1527445, 2443912, 3054890, 3971357, 6109780, 7637225, 7942714, 12219560, 15274450, 15885428, 19856785, 30548900, 31770856, 39713570, 61097800, 79427140, 99283925, 158854280, 198567850, 397135700, 794271400]

約数ペア:

[(1, 794271400), (2, 397135700), (4, 198567850), (5, 158854280), (8, 99283925), (10, 79427140), (13, 61097800), (20, 39713570), (25, 31770856), (26, 30548900), (40, 19856785), (50, 15885428), (52, 15274450), (65, 12219560), (100, 7942714), (104, 7637225), (130, 6109780), (200, 3971357), (260, 3054890), (325, 2443912), (520, 1527445), (650, 1221956), (1300, 610978), (2600, 305489)]