388565540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{4079}}^1$

素因数の和:4532

約数の個数: 48

約数和(自身を含む): 892442880

約数和(自身を除く): 503877340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 433, 866, 1732, 2165, 4079, 4330, 4763, 8158, 8660, 9526, 16316, 19052, 20395, 23815, 40790, 44869, 47630, 81580, 89738, 95260, 179476, 224345, 448690, 897380, 1766207, 3532414, 7064828, 8831035, 17662070, 19428277, 35324140, 38856554, 77713108, 97141385, 194282770, 388565540]

約数ペア:

[(1, 388565540), (2, 194282770), (4, 97141385), (5, 77713108), (10, 38856554), (11, 35324140), (20, 19428277), (22, 17662070), (44, 8831035), (55, 7064828), (110, 3532414), (220, 1766207), (433, 897380), (866, 448690), (1732, 224345), (2165, 179476), (4079, 95260), (4330, 89738), (4763, 81580), (8158, 47630), (8660, 44869), (9526, 40790), (16316, 23815), (19052, 20395)]