2639610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 6945120

約数和(自身を除く): 4305510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 211, 278, 417, 422, 633, 695, 834, 1055, 1251, 1266, 1390, 1899, 2085, 2110, 2502, 3165, 3798, 4170, 6255, 6330, 9495, 12510, 18990, 29329, 58658, 87987, 146645, 175974, 263961, 293290, 439935, 527922, 879870, 1319805, 2639610]

約数ペア:

[(1, 2639610), (2, 1319805), (3, 879870), (5, 527922), (6, 439935), (9, 293290), (10, 263961), (15, 175974), (18, 146645), (30, 87987), (45, 58658), (90, 29329), (139, 18990), (211, 12510), (278, 9495), (417, 6330), (422, 6255), (633, 4170), (695, 3798), (834, 3165), (1055, 2502), (1251, 2110), (1266, 2085), (1390, 1899)]