12739100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 31070928

約数和(自身を除く): 18331828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 44, 50, 55, 74, 100, 110, 148, 185, 220, 275, 313, 370, 407, 550, 626, 740, 814, 925, 1100, 1252, 1565, 1628, 1850, 2035, 3130, 3443, 3700, 4070, 6260, 6886, 7825, 8140, 10175, 11581, 13772, 15650, 17215, 20350, 23162, 31300, 34430, 40700, 46324, 57905, 68860, 86075, 115810, 127391, 172150, 231620, 254782, 289525, 344300, 509564, 579050, 636955, 1158100, 1273910, 2547820, 3184775, 6369550, 12739100]

約数ペア:

[(1, 12739100), (2, 6369550), (4, 3184775), (5, 2547820), (10, 1273910), (11, 1158100), (20, 636955), (22, 579050), (25, 509564), (37, 344300), (44, 289525), (50, 254782), (55, 231620), (74, 172150), (100, 127391), (110, 115810), (148, 86075), (185, 68860), (220, 57905), (275, 46324), (313, 40700), (370, 34430), (407, 31300), (550, 23162), (626, 20350), (740, 17215), (814, 15650), (925, 13772), (1100, 11581), (1252, 10175), (1565, 8140), (1628, 7825), (1850, 6886), (2035, 6260), (3130, 4070), (3443, 3700)]