408164680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1489}}^1$

素因数の和:1607

約数の個数: 128

約数和(自身を含む): 1158624000

約数和(自身を除く): 750459320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 89, 110, 140, 154, 178, 220, 280, 308, 356, 385, 440, 445, 616, 623, 712, 770, 890, 979, 1246, 1489, 1540, 1780, 1958, 2492, 2978, 3080, 3115, 3560, 3916, 4895, 4984, 5956, 6230, 6853, 7445, 7832, 9790, 10423, 11912, 12460, 13706, 14890, 16379, 19580, 20846, 24920, 27412, 29780, 32758, 34265, 39160, 41692, 52115, 54824, 59560, 65516, 68530, 81895, 83384, 104230, 114653, 131032, 132521, 137060, 163790, 208460, 229306, 265042, 274120, 327580, 416920, 458612, 530084, 573265, 655160, 662605, 917224, 927647, 1060168, 1146530, 1325210, 1457731, 1855294, 2293060, 2650420, 2915462, 3710588, 4586120, 4638235, 5300840, 5830924, 7288655, 7421176, 9276470, 10204117, 11661848, 14577310, 18552940, 20408234, 29154620, 37105880, 40816468, 51020585, 58309240, 81632936, 102041170, 204082340, 408164680]

約数ペア:

[(1, 408164680), (2, 204082340), (4, 102041170), (5, 81632936), (7, 58309240), (8, 51020585), (10, 40816468), (11, 37105880), (14, 29154620), (20, 20408234), (22, 18552940), (28, 14577310), (35, 11661848), (40, 10204117), (44, 9276470), (55, 7421176), (56, 7288655), (70, 5830924), (77, 5300840), (88, 4638235), (89, 4586120), (110, 3710588), (140, 2915462), (154, 2650420), (178, 2293060), (220, 1855294), (280, 1457731), (308, 1325210), (356, 1146530), (385, 1060168), (440, 927647), (445, 917224), (616, 662605), (623, 655160), (712, 573265), (770, 530084), (890, 458612), (979, 416920), (1246, 327580), (1489, 274120), (1540, 265042), (1780, 229306), (1958, 208460), (2492, 163790), (2978, 137060), (3080, 132521), (3115, 131032), (3560, 114653), (3916, 104230), (4895, 83384), (4984, 81895), (5956, 68530), (6230, 65516), (6853, 59560), (7445, 54824), (7832, 52115), (9790, 41692), (10423, 39160), (11912, 34265), (12460, 32758), (13706, 29780), (14890, 27412), (16379, 24920), (19580, 20846)]