87489220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:989

約数の個数: 96

約数和(自身を含む): 230646528

約数和(自身を除く): 143157308

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 53, 65, 70, 91, 106, 130, 140, 182, 212, 260, 265, 364, 371, 455, 530, 689, 742, 907, 910, 1060, 1378, 1484, 1814, 1820, 1855, 2756, 3445, 3628, 3710, 4535, 4823, 6349, 6890, 7420, 9070, 9646, 11791, 12698, 13780, 18140, 19292, 23582, 24115, 25396, 31745, 47164, 48071, 48230, 58955, 63490, 82537, 96142, 96460, 117910, 126980, 165074, 192284, 235820, 240355, 330148, 336497, 412685, 480710, 624923, 672994, 825370, 961420, 1249846, 1345988, 1650740, 1682485, 2499692, 3124615, 3364970, 4374461, 6249230, 6729940, 8748922, 12498460, 17497844, 21872305, 43744610, 87489220]

約数ペア:

[(1, 87489220), (2, 43744610), (4, 21872305), (5, 17497844), (7, 12498460), (10, 8748922), (13, 6729940), (14, 6249230), (20, 4374461), (26, 3364970), (28, 3124615), (35, 2499692), (52, 1682485), (53, 1650740), (65, 1345988), (70, 1249846), (91, 961420), (106, 825370), (130, 672994), (140, 624923), (182, 480710), (212, 412685), (260, 336497), (265, 330148), (364, 240355), (371, 235820), (455, 192284), (530, 165074), (689, 126980), (742, 117910), (907, 96460), (910, 96142), (1060, 82537), (1378, 63490), (1484, 58955), (1814, 48230), (1820, 48071), (1855, 47164), (2756, 31745), (3445, 25396), (3628, 24115), (3710, 23582), (4535, 19292), (4823, 18140), (6349, 13780), (6890, 12698), (7420, 11791), (9070, 9646)]