2028971290

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{431}}^1\times {\mathrm{1151}}^1$

素因数の和:1998

約数の個数: 32

約数和(自身を含む): 3672760320

約数和(自身を除く): 1643789030

約数列:

[1, 2, 5, 10, 409, 431, 818, 862, 1151, 2045, 2155, 2302, 4090, 4310, 5755, 11510, 176279, 352558, 470759, 496081, 881395, 941518, 992162, 1762790, 2353795, 2480405, 4707590, 4960810, 202897129, 405794258, 1014485645, 2028971290]

約数ペア:

[(1, 2028971290), (2, 1014485645), (5, 405794258), (10, 202897129), (409, 4960810), (431, 4707590), (818, 2480405), (862, 2353795), (1151, 1762790), (2045, 992162), (2155, 941518), (2302, 881395), (4090, 496081), (4310, 470759), (5755, 352558), (11510, 176279)]