2886860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 6531840

約数和(自身を除く): 3644980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 107, 142, 190, 214, 284, 355, 380, 428, 535, 710, 1070, 1349, 1420, 2033, 2140, 2698, 4066, 5396, 6745, 7597, 8132, 10165, 13490, 15194, 20330, 26980, 30388, 37985, 40660, 75970, 144343, 151940, 288686, 577372, 721715, 1443430, 2886860]

約数ペア:

[(1, 2886860), (2, 1443430), (4, 721715), (5, 577372), (10, 288686), (19, 151940), (20, 144343), (38, 75970), (71, 40660), (76, 37985), (95, 30388), (107, 26980), (142, 20330), (190, 15194), (214, 13490), (284, 10165), (355, 8132), (380, 7597), (428, 6745), (535, 5396), (710, 4066), (1070, 2698), (1349, 2140), (1420, 2033)]