149505620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4889}}^1$

素因数の和:5048

約数の個数: 48

約数和(自身を含む): 345038400

約数和(自身を除く): 195532780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2780, 3058, 4889, 6116, 7645, 9778, 15290, 19556, 24445, 30580, 48890, 53779, 97780, 107558, 215116, 268895, 537790, 679571, 1075580, 1359142, 2718284, 3397855, 6795710, 7475281, 13591420, 14950562, 29901124, 37376405, 74752810, 149505620]

約数ペア:

[(1, 149505620), (2, 74752810), (4, 37376405), (5, 29901124), (10, 14950562), (11, 13591420), (20, 7475281), (22, 6795710), (44, 3397855), (55, 2718284), (110, 1359142), (139, 1075580), (220, 679571), (278, 537790), (556, 268895), (695, 215116), (1390, 107558), (1529, 97780), (2780, 53779), (3058, 48890), (4889, 30580), (6116, 24445), (7645, 19556), (9778, 15290)]