289481480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{1531}}^1$

素因数の和:1734

約数の個数: 64

約数和(自身を含む): 678369600

約数和(自身を除く): 388888120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 163, 232, 290, 326, 580, 652, 815, 1160, 1304, 1531, 1630, 3062, 3260, 4727, 6124, 6520, 7655, 9454, 12248, 15310, 18908, 23635, 30620, 37816, 44399, 47270, 61240, 88798, 94540, 177596, 189080, 221995, 249553, 355192, 443990, 499106, 887980, 998212, 1247765, 1775960, 1996424, 2495530, 4991060, 7237037, 9982120, 14474074, 28948148, 36185185, 57896296, 72370370, 144740740, 289481480]

約数ペア:

[(1, 289481480), (2, 144740740), (4, 72370370), (5, 57896296), (8, 36185185), (10, 28948148), (20, 14474074), (29, 9982120), (40, 7237037), (58, 4991060), (116, 2495530), (145, 1996424), (163, 1775960), (232, 1247765), (290, 998212), (326, 887980), (580, 499106), (652, 443990), (815, 355192), (1160, 249553), (1304, 221995), (1531, 189080), (1630, 177596), (3062, 94540), (3260, 88798), (4727, 61240), (6124, 47270), (6520, 44399), (7655, 37816), (9454, 30620), (12248, 23635), (15310, 18908)]