277079080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113557}}^1$

素因数の和:113629

約数の個数: 32

約数和(自身を含む): 633653640

約数和(自身を除く): 356574560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 113557, 227114, 454228, 567785, 908456, 1135570, 2271140, 4542280, 6926977, 13853954, 27707908, 34634885, 55415816, 69269770, 138539540, 277079080]

約数ペア:

[(1, 277079080), (2, 138539540), (4, 69269770), (5, 55415816), (8, 34634885), (10, 27707908), (20, 13853954), (40, 6926977), (61, 4542280), (122, 2271140), (244, 1135570), (305, 908456), (488, 567785), (610, 454228), (1220, 227114), (2440, 113557)]