197022420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{577}}^1$

素因数の和:870

約数の個数: 144

約数和(自身を含む): 686719488

約数和(自身を除く): 489697068

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 271, 315, 420, 542, 577, 630, 813, 1084, 1154, 1260, 1355, 1626, 1731, 1897, 2308, 2439, 2710, 2885, 3252, 3462, 3794, 4039, 4065, 4878, 5193, 5420, 5691, 5770, 6924, 7588, 8078, 8130, 8655, 9485, 9756, 10386, 11382, 11540, 12117, 12195, 16156, 16260, 17073, 17310, 18970, 20195, 20772, 22764, 24234, 24390, 25965, 28455, 34146, 34620, 36351, 37940, 40390, 48468, 48780, 51930, 56910, 60585, 68292, 72702, 80780, 85365, 103860, 113820, 121170, 145404, 156367, 170730, 181755, 242340, 312734, 341460, 363510, 469101, 625468, 727020, 781835, 938202, 1094569, 1407303, 1563670, 1876404, 2189138, 2345505, 2814606, 3127340, 3283707, 4378276, 4691010, 5472845, 5629212, 6567414, 7036515, 9382020, 9851121, 10945690, 13134828, 14073030, 16418535, 19702242, 21891380, 28146060, 32837070, 39404484, 49255605, 65674140, 98511210, 197022420]

約数ペア:

[(1, 197022420), (2, 98511210), (3, 65674140), (4, 49255605), (5, 39404484), (6, 32837070), (7, 28146060), (9, 21891380), (10, 19702242), (12, 16418535), (14, 14073030), (15, 13134828), (18, 10945690), (20, 9851121), (21, 9382020), (28, 7036515), (30, 6567414), (35, 5629212), (36, 5472845), (42, 4691010), (45, 4378276), (60, 3283707), (63, 3127340), (70, 2814606), (84, 2345505), (90, 2189138), (105, 1876404), (126, 1563670), (140, 1407303), (180, 1094569), (210, 938202), (252, 781835), (271, 727020), (315, 625468), (420, 469101), (542, 363510), (577, 341460), (630, 312734), (813, 242340), (1084, 181755), (1154, 170730), (1260, 156367), (1355, 145404), (1626, 121170), (1731, 113820), (1897, 103860), (2308, 85365), (2439, 80780), (2710, 72702), (2885, 68292), (3252, 60585), (3462, 56910), (3794, 51930), (4039, 48780), (4065, 48468), (4878, 40390), (5193, 37940), (5420, 36351), (5691, 34620), (5770, 34146), (6924, 28455), (7588, 25965), (8078, 24390), (8130, 24234), (8655, 22764), (9485, 20772), (9756, 20195), (10386, 18970), (11382, 17310), (11540, 17073), (12117, 16260), (12195, 16156)]