4071140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 8999424

約数和(自身を除く): 4928284

約数列:

[1, 2, 4, 5, 10, 20, 47, 61, 71, 94, 122, 142, 188, 235, 244, 284, 305, 355, 470, 610, 710, 940, 1220, 1420, 2867, 3337, 4331, 5734, 6674, 8662, 11468, 13348, 14335, 16685, 17324, 21655, 28670, 33370, 43310, 57340, 66740, 86620, 203557, 407114, 814228, 1017785, 2035570, 4071140]

約数ペア:

[(1, 4071140), (2, 2035570), (4, 1017785), (5, 814228), (10, 407114), (20, 203557), (47, 86620), (61, 66740), (71, 57340), (94, 43310), (122, 33370), (142, 28670), (188, 21655), (235, 17324), (244, 16685), (284, 14335), (305, 13348), (355, 11468), (470, 8662), (610, 6674), (710, 5734), (940, 4331), (1220, 3337), (1420, 2867)]