426437360

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 1013238720

約数和(自身を除く): 586801360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 193, 284, 355, 386, 389, 568, 710, 772, 778, 965, 1136, 1420, 1544, 1556, 1930, 1945, 2840, 3088, 3112, 3860, 3890, 5680, 6224, 7720, 7780, 13703, 15440, 15560, 27406, 27619, 31120, 54812, 55238, 68515, 75077, 109624, 110476, 137030, 138095, 150154, 219248, 220952, 274060, 276190, 300308, 375385, 441904, 548120, 552380, 600616, 750770, 1096240, 1104760, 1201232, 1501540, 2209520, 3003080, 5330467, 6006160, 10660934, 21321868, 26652335, 42643736, 53304670, 85287472, 106609340, 213218680, 426437360]

約数ペア:

[(1, 426437360), (2, 213218680), (4, 106609340), (5, 85287472), (8, 53304670), (10, 42643736), (16, 26652335), (20, 21321868), (40, 10660934), (71, 6006160), (80, 5330467), (142, 3003080), (193, 2209520), (284, 1501540), (355, 1201232), (386, 1104760), (389, 1096240), (568, 750770), (710, 600616), (772, 552380), (778, 548120), (965, 441904), (1136, 375385), (1420, 300308), (1544, 276190), (1556, 274060), (1930, 220952), (1945, 219248), (2840, 150154), (3088, 138095), (3112, 137030), (3860, 110476), (3890, 109624), (5680, 75077), (6224, 68515), (7720, 55238), (7780, 54812), (13703, 31120), (15440, 27619), (15560, 27406)]