142904290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{3253}}^1$

素因数の和:3474

約数の個数: 32

約数和(自身を含む): 269899776

約数和(自身を除く): 126995486

約数列:

[1, 2, 5, 10, 23, 46, 115, 191, 230, 382, 955, 1910, 3253, 4393, 6506, 8786, 16265, 21965, 32530, 43930, 74819, 149638, 374095, 621323, 748190, 1242646, 3106615, 6213230, 14290429, 28580858, 71452145, 142904290]

約数ペア:

[(1, 142904290), (2, 71452145), (5, 28580858), (10, 14290429), (23, 6213230), (46, 3106615), (115, 1242646), (191, 748190), (230, 621323), (382, 374095), (955, 149638), (1910, 74819), (3253, 43930), (4393, 32530), (6506, 21965), (8786, 16265)]