78386875

素因数分解:

$5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 80

約数和(自身を含む): 125959680

約数和(自身を除く): 47572805

約数列:

[1, 5, 7, 19, 23, 25, 35, 41, 95, 115, 125, 133, 161, 175, 205, 287, 437, 475, 575, 625, 665, 779, 805, 875, 943, 1025, 1435, 2185, 2375, 2875, 3059, 3325, 3895, 4025, 4375, 4715, 5125, 5453, 6601, 7175, 10925, 11875, 14375, 15295, 16625, 17917, 19475, 20125, 23575, 25625, 27265, 33005, 35875, 54625, 76475, 83125, 89585, 97375, 100625, 117875, 125419, 136325, 165025, 179375, 273125, 382375, 447925, 486875, 589375, 627095, 681625, 825125, 1911875, 2239625, 3135475, 3408125, 4125625, 11198125, 15677375, 78386875]

約数ペア:

[(1, 78386875), (5, 15677375), (7, 11198125), (19, 4125625), (23, 3408125), (25, 3135475), (35, 2239625), (41, 1911875), (95, 825125), (115, 681625), (125, 627095), (133, 589375), (161, 486875), (175, 447925), (205, 382375), (287, 273125), (437, 179375), (475, 165025), (575, 136325), (625, 125419), (665, 117875), (779, 100625), (805, 97375), (875, 89585), (943, 83125), (1025, 76475), (1435, 54625), (2185, 35875), (2375, 33005), (2875, 27265), (3059, 25625), (3325, 23575), (3895, 20125), (4025, 19475), (4375, 17917), (4715, 16625), (5125, 15295), (5453, 14375), (6601, 11875), (7175, 10925)]