155403400

素因数分解:

$2^3\times 5^2\times {\mathrm{307}}^1\times {\mathrm{2531}}^1$

素因数の和:2854

約数の個数: 48

約数和(自身を含む): 362633040

約数和(自身を除く): 207229640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 307, 614, 1228, 1535, 2456, 2531, 3070, 5062, 6140, 7675, 10124, 12280, 12655, 15350, 20248, 25310, 30700, 50620, 61400, 63275, 101240, 126550, 253100, 506200, 777017, 1554034, 3108068, 3885085, 6216136, 7770170, 15540340, 19425425, 31080680, 38850850, 77701700, 155403400]

約数ペア:

[(1, 155403400), (2, 77701700), (4, 38850850), (5, 31080680), (8, 19425425), (10, 15540340), (20, 7770170), (25, 6216136), (40, 3885085), (50, 3108068), (100, 1554034), (200, 777017), (307, 506200), (614, 253100), (1228, 126550), (1535, 101240), (2456, 63275), (2531, 61400), (3070, 50620), (5062, 30700), (6140, 25310), (7675, 20248), (10124, 15350), (12280, 12655)]