157857790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1\times {\mathrm{739}}^1$

素因数の和:1308

約数の個数: 32

約数和(自身を含む): 292027680

約数和(自身を除く): 134169890

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 521, 739, 1042, 1478, 2605, 3695, 5210, 7390, 21361, 30299, 42722, 60598, 106805, 151495, 213610, 302990, 385019, 770038, 1925095, 3850190, 15785779, 31571558, 78928895, 157857790]

約数ペア:

[(1, 157857790), (2, 78928895), (5, 31571558), (10, 15785779), (41, 3850190), (82, 1925095), (205, 770038), (410, 385019), (521, 302990), (739, 213610), (1042, 151495), (1478, 106805), (2605, 60598), (3695, 42722), (5210, 30299), (7390, 21361)]