275440720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181211}}^1$

素因数の和:181243

約数の個数: 40

約数和(自身を含む): 674108640

約数和(自身を除く): 398667920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 181211, 362422, 724844, 906055, 1449688, 1812110, 2899376, 3443009, 3624220, 6886018, 7248440, 13772036, 14496880, 17215045, 27544072, 34430090, 55088144, 68860180, 137720360, 275440720]

約数ペア:

[(1, 275440720), (2, 137720360), (4, 68860180), (5, 55088144), (8, 34430090), (10, 27544072), (16, 17215045), (19, 14496880), (20, 13772036), (38, 7248440), (40, 6886018), (76, 3624220), (80, 3443009), (95, 2899376), (152, 1812110), (190, 1449688), (304, 906055), (380, 724844), (760, 362422), (1520, 181211)]