679900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:550

約数の個数: 36

約数和(自身を含む): 1591912

約数和(自身を除く): 912012

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 523, 650, 1046, 1300, 2092, 2615, 5230, 6799, 10460, 13075, 13598, 26150, 27196, 33995, 52300, 67990, 135980, 169975, 339950, 679900]

約数ペア:

[(1, 679900), (2, 339950), (4, 169975), (5, 135980), (10, 67990), (13, 52300), (20, 33995), (25, 27196), (26, 26150), (50, 13598), (52, 13075), (65, 10460), (100, 6799), (130, 5230), (260, 2615), (325, 2092), (523, 1300), (650, 1046)]