507650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:107

約数の個数: 48

約数和(自身を含む): 1124928

約数和(自身を除く): 617278

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 71, 110, 130, 142, 143, 275, 286, 325, 355, 550, 650, 710, 715, 781, 923, 1430, 1562, 1775, 1846, 3550, 3575, 3905, 4615, 7150, 7810, 9230, 10153, 19525, 20306, 23075, 39050, 46150, 50765, 101530, 253825, 507650]

約数ペア:

[(1, 507650), (2, 253825), (5, 101530), (10, 50765), (11, 46150), (13, 39050), (22, 23075), (25, 20306), (26, 19525), (50, 10153), (55, 9230), (65, 7810), (71, 7150), (110, 4615), (130, 3905), (142, 3575), (143, 3550), (275, 1846), (286, 1775), (325, 1562), (355, 1430), (550, 923), (650, 781), (710, 715)]