1805572220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{157}}^1\times {\mathrm{1087}}^1$

素因数の和:1299

約数の個数: 72

約数和(自身を含む): 3992642304

約数和(自身を除く): 2187070084

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 230, 314, 460, 529, 628, 785, 1058, 1087, 1570, 2116, 2174, 2645, 3140, 3611, 4348, 5290, 5435, 7222, 10580, 10870, 14444, 18055, 21740, 25001, 36110, 50002, 72220, 83053, 100004, 125005, 166106, 170659, 250010, 332212, 341318, 415265, 500020, 575023, 682636, 830530, 853295, 1150046, 1661060, 1706590, 2300092, 2875115, 3413180, 3925157, 5750230, 7850314, 11500460, 15700628, 19625785, 39251570, 78503140, 90278611, 180557222, 361114444, 451393055, 902786110, 1805572220]

約数ペア:

[(1, 1805572220), (2, 902786110), (4, 451393055), (5, 361114444), (10, 180557222), (20, 90278611), (23, 78503140), (46, 39251570), (92, 19625785), (115, 15700628), (157, 11500460), (230, 7850314), (314, 5750230), (460, 3925157), (529, 3413180), (628, 2875115), (785, 2300092), (1058, 1706590), (1087, 1661060), (1570, 1150046), (2116, 853295), (2174, 830530), (2645, 682636), (3140, 575023), (3611, 500020), (4348, 415265), (5290, 341318), (5435, 332212), (7222, 250010), (10580, 170659), (10870, 166106), (14444, 125005), (18055, 100004), (21740, 83053), (25001, 72220), (36110, 50002)]