213532280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8737}}^1$

素因数の和:8808

約数の個数: 64

約数和(自身を含む): 528474240

約数和(自身を除く): 314941960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 3055, 4888, 6110, 8737, 12220, 17474, 24440, 34948, 43685, 69896, 87370, 113581, 174740, 227162, 349480, 410639, 454324, 567905, 821278, 908648, 1135810, 1642556, 2053195, 2271620, 3285112, 4106390, 4543240, 5338307, 8212780, 10676614, 16425560, 21353228, 26691535, 42706456, 53383070, 106766140, 213532280]

約数ペア:

[(1, 213532280), (2, 106766140), (4, 53383070), (5, 42706456), (8, 26691535), (10, 21353228), (13, 16425560), (20, 10676614), (26, 8212780), (40, 5338307), (47, 4543240), (52, 4106390), (65, 3285112), (94, 2271620), (104, 2053195), (130, 1642556), (188, 1135810), (235, 908648), (260, 821278), (376, 567905), (470, 454324), (520, 410639), (611, 349480), (940, 227162), (1222, 174740), (1880, 113581), (2444, 87370), (3055, 69896), (4888, 43685), (6110, 34948), (8737, 24440), (12220, 17474)]