2837840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1867}}^1$

素因数の和:1899

約数の個数: 40

約数和(自身を含む): 6948960

約数和(自身を除く): 4111120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1867, 3734, 7468, 9335, 14936, 18670, 29872, 35473, 37340, 70946, 74680, 141892, 149360, 177365, 283784, 354730, 567568, 709460, 1418920, 2837840]

約数ペア:

[(1, 2837840), (2, 1418920), (4, 709460), (5, 567568), (8, 354730), (10, 283784), (16, 177365), (19, 149360), (20, 141892), (38, 74680), (40, 70946), (76, 37340), (80, 35473), (95, 29872), (152, 18670), (190, 14936), (304, 9335), (380, 7468), (760, 3734), (1520, 1867)]