4119940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 9624384

約数和(自身を除く): 5504444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 307, 610, 614, 671, 1220, 1228, 1342, 1535, 2684, 3070, 3355, 3377, 6140, 6710, 6754, 13420, 13508, 16885, 18727, 33770, 37454, 67540, 74908, 93635, 187270, 205997, 374540, 411994, 823988, 1029985, 2059970, 4119940]

約数ペア:

[(1, 4119940), (2, 2059970), (4, 1029985), (5, 823988), (10, 411994), (11, 374540), (20, 205997), (22, 187270), (44, 93635), (55, 74908), (61, 67540), (110, 37454), (122, 33770), (220, 18727), (244, 16885), (305, 13508), (307, 13420), (610, 6754), (614, 6710), (671, 6140), (1220, 3377), (1228, 3355), (1342, 3070), (1535, 2684)]