349352380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79039}}^1$

素因数の和:79078

約数の個数: 48

約数和(自身を含む): 836559360

約数和(自身を除く): 487206980

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 79039, 158078, 316156, 395195, 790390, 1027507, 1343663, 1580780, 2055014, 2687326, 4110028, 5137535, 5374652, 6718315, 10275070, 13436630, 17467619, 20550140, 26873260, 34935238, 69870476, 87338095, 174676190, 349352380]

約数ペア:

[(1, 349352380), (2, 174676190), (4, 87338095), (5, 69870476), (10, 34935238), (13, 26873260), (17, 20550140), (20, 17467619), (26, 13436630), (34, 10275070), (52, 6718315), (65, 5374652), (68, 5137535), (85, 4110028), (130, 2687326), (170, 2055014), (221, 1580780), (260, 1343663), (340, 1027507), (442, 790390), (884, 395195), (1105, 316156), (2210, 158078), (4420, 79039)]