1028990340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1787}}^1$

素因数の和:2266

約数の個数: 144

約数和(自身を含む): 3576972672

約数和(自身を除く): 2547982332

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, 315, 420, 457, 630, 914, 1260, 1371, 1787, 1828, 2285, 2742, 3199, 3574, 4113, 4570, 5361, 5484, 6398, 6855, 7148, 8226, 8935, 9140, 9597, 10722, 12509, 12796, 13710, 15995, 16083, 16452, 17870, 19194, 20565, 21444, 25018, 26805, 27420, 28791, 31990, 32166, 35740, 37527, 38388, 41130, 47985, 50036, 53610, 57582, 62545, 63980, 64332, 75054, 80415, 82260, 95970, 107220, 112581, 115164, 125090, 143955, 150108, 160830, 187635, 191940, 225162, 250180, 287910, 321660, 375270, 450324, 562905, 575820, 750540, 816659, 1125810, 1633318, 2251620, 2449977, 3266636, 4083295, 4899954, 5716613, 7349931, 8166590, 9799908, 11433226, 12249885, 14699862, 16333180, 17149839, 22866452, 24499770, 28583065, 29399724, 34299678, 36749655, 48999540, 51449517, 57166130, 68599356, 73499310, 85749195, 102899034, 114332260, 146998620, 171498390, 205798068, 257247585, 342996780, 514495170, 1028990340]

約数ペア:

[(1, 1028990340), (2, 514495170), (3, 342996780), (4, 257247585), (5, 205798068), (6, 171498390), (7, 146998620), (9, 114332260), (10, 102899034), (12, 85749195), (14, 73499310), (15, 68599356), (18, 57166130), (20, 51449517), (21, 48999540), (28, 36749655), (30, 34299678), (35, 29399724), (36, 28583065), (42, 24499770), (45, 22866452), (60, 17149839), (63, 16333180), (70, 14699862), (84, 12249885), (90, 11433226), (105, 9799908), (126, 8166590), (140, 7349931), (180, 5716613), (210, 4899954), (252, 4083295), (315, 3266636), (420, 2449977), (457, 2251620), (630, 1633318), (914, 1125810), (1260, 816659), (1371, 750540), (1787, 575820), (1828, 562905), (2285, 450324), (2742, 375270), (3199, 321660), (3574, 287910), (4113, 250180), (4570, 225162), (5361, 191940), (5484, 187635), (6398, 160830), (6855, 150108), (7148, 143955), (8226, 125090), (8935, 115164), (9140, 112581), (9597, 107220), (10722, 95970), (12509, 82260), (12796, 80415), (13710, 75054), (15995, 64332), (16083, 63980), (16452, 62545), (17870, 57582), (19194, 53610), (20565, 50036), (21444, 47985), (25018, 41130), (26805, 38388), (27420, 37527), (28791, 35740), (31990, 32166)]