297138820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{5381}}^1$

素因数の和:5652

約数の個数: 48

約数和(自身を含む): 683557056

約数和(自身を除く): 386418236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251, 502, 1004, 1255, 2510, 2761, 5020, 5381, 5522, 10762, 11044, 13805, 21524, 26905, 27610, 53810, 55220, 59191, 107620, 118382, 236764, 295955, 591910, 1183820, 1350631, 2701262, 5402524, 6753155, 13506310, 14856941, 27012620, 29713882, 59427764, 74284705, 148569410, 297138820]

約数ペア:

[(1, 297138820), (2, 148569410), (4, 74284705), (5, 59427764), (10, 29713882), (11, 27012620), (20, 14856941), (22, 13506310), (44, 6753155), (55, 5402524), (110, 2701262), (220, 1350631), (251, 1183820), (502, 591910), (1004, 295955), (1255, 236764), (2510, 118382), (2761, 107620), (5020, 59191), (5381, 55220), (5522, 53810), (10762, 27610), (11044, 26905), (13805, 21524)]