402349870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1709}}^1\times {\mathrm{1811}}^1$

素因数の和:3540

約数の個数: 32

約数和(自身を含む): 780827040

約数和(自身を除く): 378477170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1709, 1811, 3418, 3622, 8545, 9055, 17090, 18110, 22217, 23543, 44434, 47086, 111085, 117715, 222170, 235430, 3094999, 6189998, 15474995, 30949990, 40234987, 80469974, 201174935, 402349870]

約数ペア:

[(1, 402349870), (2, 201174935), (5, 80469974), (10, 40234987), (13, 30949990), (26, 15474995), (65, 6189998), (130, 3094999), (1709, 235430), (1811, 222170), (3418, 117715), (3622, 111085), (8545, 47086), (9055, 44434), (17090, 23543), (18110, 22217)]