1874990780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{554731}}^1$

素因数の和:554766

約数の個数: 36

約数和(自身を含む): 4263670152

約数和(自身を除く): 2388679372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 554731, 1109462, 2218924, 2773655, 5547310, 7211503, 11094620, 14423006, 28846012, 36057515, 72115030, 93749539, 144230060, 187499078, 374998156, 468747695, 937495390, 1874990780]

約数ペア:

[(1, 1874990780), (2, 937495390), (4, 468747695), (5, 374998156), (10, 187499078), (13, 144230060), (20, 93749539), (26, 72115030), (52, 36057515), (65, 28846012), (130, 14423006), (169, 11094620), (260, 7211503), (338, 5547310), (676, 2773655), (845, 2218924), (1690, 1109462), (3380, 554731)]