7446140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2203}}^1$

素因数の和:2238

約数の個数: 36

約数和(自身を含む): 16939944

約数和(自身を除く): 9493804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2203, 3380, 4406, 8812, 11015, 22030, 28639, 44060, 57278, 114556, 143195, 286390, 372307, 572780, 744614, 1489228, 1861535, 3723070, 7446140]

約数ペア:

[(1, 7446140), (2, 3723070), (4, 1861535), (5, 1489228), (10, 744614), (13, 572780), (20, 372307), (26, 286390), (52, 143195), (65, 114556), (130, 57278), (169, 44060), (260, 28639), (338, 22030), (676, 11015), (845, 8812), (1690, 4406), (2203, 3380)]