139343420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1559}}^1$

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 302702400

約数和(自身を除く): 163358980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 820, 1090, 1559, 2180, 3118, 4469, 6236, 7795, 8938, 15590, 17876, 22345, 31180, 44690, 63919, 89380, 127838, 169931, 255676, 319595, 339862, 639190, 679724, 849655, 1278380, 1699310, 3398620, 6967171, 13934342, 27868684, 34835855, 69671710, 139343420]

約数ペア:

[(1, 139343420), (2, 69671710), (4, 34835855), (5, 27868684), (10, 13934342), (20, 6967171), (41, 3398620), (82, 1699310), (109, 1278380), (164, 849655), (205, 679724), (218, 639190), (410, 339862), (436, 319595), (545, 255676), (820, 169931), (1090, 127838), (1559, 89380), (2180, 63919), (3118, 44690), (4469, 31180), (6236, 22345), (7795, 17876), (8938, 15590)]