208873890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{257869}}^1$

素因数の和:257888

約数の個数: 40

約数和(自身を含む): 561640860

約数和(自身を除く): 352766970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 257869, 515738, 773607, 1289345, 1547214, 2320821, 2578690, 3868035, 4641642, 6962463, 7736070, 11604105, 13924926, 20887389, 23208210, 34812315, 41774778, 69624630, 104436945, 208873890]

約数ペア:

[(1, 208873890), (2, 104436945), (3, 69624630), (5, 41774778), (6, 34812315), (9, 23208210), (10, 20887389), (15, 13924926), (18, 11604105), (27, 7736070), (30, 6962463), (45, 4641642), (54, 3868035), (81, 2578690), (90, 2320821), (135, 1547214), (162, 1289345), (270, 773607), (405, 515738), (810, 257869)]