129641320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{190649}}^1$

素因数の和:190677

約数の個数: 32

約数和(自身を含む): 308853000

約数和(自身を除く): 179211680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 190649, 381298, 762596, 953245, 1525192, 1906490, 3241033, 3812980, 6482066, 7625960, 12964132, 16205165, 25928264, 32410330, 64820660, 129641320]

約数ペア:

[(1, 129641320), (2, 64820660), (4, 32410330), (5, 25928264), (8, 16205165), (10, 12964132), (17, 7625960), (20, 6482066), (34, 3812980), (40, 3241033), (68, 1906490), (85, 1525192), (136, 953245), (170, 762596), (340, 381298), (680, 190649)]