1330272500540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{374807}}^1\times {\mathrm{4127}}^1$

素因数の和:378986

約数の個数: 48

約数和(自身を含む): 2859239319552

約数和(自身を除く): 1528966819012

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 4127, 8254, 16508, 20635, 41270, 82540, 177461, 354922, 374807, 709844, 749614, 887305, 1499228, 1774610, 1874035, 3549220, 3748070, 7496140, 16116701, 32233402, 64466804, 80583505, 161167010, 322334020, 1546828489, 3093656978, 6187313956, 7734142445, 15468284890, 30936569780, 66513625027, 133027250054, 266054500108, 332568125135, 665136250270, 1330272500540]

約数ペア:

[(1, 1330272500540), (2, 665136250270), (4, 332568125135), (5, 266054500108), (10, 133027250054), (20, 66513625027), (43, 30936569780), (86, 15468284890), (172, 7734142445), (215, 6187313956), (430, 3093656978), (860, 1546828489), (4127, 322334020), (8254, 161167010), (16508, 80583505), (20635, 64466804), (41270, 32233402), (82540, 16116701), (177461, 7496140), (354922, 3748070), (374807, 3549220), (709844, 1874035), (749614, 1774610), (887305, 1499228)]