389540240

素因数分解:

$2^4\times 5^1\times {\mathrm{1597}}^1\times {\mathrm{3049}}^1$

素因数の和:4659

約数の個数: 40

約数和(自身を含む): 906545400

約数和(自身を除く): 517005160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1597, 3049, 3194, 6098, 6388, 7985, 12196, 12776, 15245, 15970, 24392, 25552, 30490, 31940, 48784, 60980, 63880, 121960, 127760, 243920, 4869253, 9738506, 19477012, 24346265, 38954024, 48692530, 77908048, 97385060, 194770120, 389540240]

約数ペア:

[(1, 389540240), (2, 194770120), (4, 97385060), (5, 77908048), (8, 48692530), (10, 38954024), (16, 24346265), (20, 19477012), (40, 9738506), (80, 4869253), (1597, 243920), (3049, 127760), (3194, 121960), (6098, 63880), (6388, 60980), (7985, 48784), (12196, 31940), (12776, 30490), (15245, 25552), (15970, 24392)]