90310190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{1279}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 170311680

約数和(自身を除く): 80001490

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 307, 614, 1279, 1535, 2558, 3070, 6395, 7061, 12790, 14122, 29417, 35305, 58834, 70610, 147085, 294170, 392653, 785306, 1963265, 3926530, 9031019, 18062038, 45155095, 90310190]

約数ペア:

[(1, 90310190), (2, 45155095), (5, 18062038), (10, 9031019), (23, 3926530), (46, 1963265), (115, 785306), (230, 392653), (307, 294170), (614, 147085), (1279, 70610), (1535, 58834), (2558, 35305), (3070, 29417), (6395, 14122), (7061, 12790)]