259780300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199831}}^1$

素因数の和:199858

約数の個数: 36

約数和(自身を含む): 607089616

約数和(自身を除く): 347309316

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 199831, 399662, 799324, 999155, 1998310, 2597803, 3996620, 4995775, 5195606, 9991550, 10391212, 12989015, 19983100, 25978030, 51956060, 64945075, 129890150, 259780300]

約数ペア:

[(1, 259780300), (2, 129890150), (4, 64945075), (5, 51956060), (10, 25978030), (13, 19983100), (20, 12989015), (25, 10391212), (26, 9991550), (50, 5195606), (52, 4995775), (65, 3996620), (100, 2597803), (130, 1998310), (260, 999155), (325, 799324), (650, 399662), (1300, 199831)]