1911875

素因数分解:

$5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:69

約数の個数: 40

約数和(自身を含む): 2999040

約数和(自身を除く): 1087165

約数列:

[1, 5, 7, 19, 23, 25, 35, 95, 115, 125, 133, 161, 175, 437, 475, 575, 625, 665, 805, 875, 2185, 2375, 2875, 3059, 3325, 4025, 4375, 10925, 11875, 14375, 15295, 16625, 20125, 54625, 76475, 83125, 100625, 273125, 382375, 1911875]

約数ペア:

[(1, 1911875), (5, 382375), (7, 273125), (19, 100625), (23, 83125), (25, 76475), (35, 54625), (95, 20125), (115, 16625), (125, 15295), (133, 14375), (161, 11875), (175, 10925), (437, 4375), (475, 4025), (575, 3325), (625, 3059), (665, 2875), (805, 2375), (875, 2185)]