878490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 2347488

約数和(自身を除く): 1468998

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 227, 258, 387, 430, 454, 645, 681, 774, 1135, 1290, 1362, 1935, 2043, 2270, 3405, 3870, 4086, 6810, 9761, 10215, 19522, 20430, 29283, 48805, 58566, 87849, 97610, 146415, 175698, 292830, 439245, 878490]

約数ペア:

[(1, 878490), (2, 439245), (3, 292830), (5, 175698), (6, 146415), (9, 97610), (10, 87849), (15, 58566), (18, 48805), (30, 29283), (43, 20430), (45, 19522), (86, 10215), (90, 9761), (129, 6810), (215, 4086), (227, 3870), (258, 3405), (387, 2270), (430, 2043), (454, 1935), (645, 1362), (681, 1290), (774, 1135)]