2958020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 6924288

約数和(自身を除く): 3966268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 367, 403, 620, 734, 806, 1468, 1612, 1835, 2015, 3670, 4030, 4771, 7340, 8060, 9542, 11377, 19084, 22754, 23855, 45508, 47710, 56885, 95420, 113770, 147901, 227540, 295802, 591604, 739505, 1479010, 2958020]

約数ペア:

[(1, 2958020), (2, 1479010), (4, 739505), (5, 591604), (10, 295802), (13, 227540), (20, 147901), (26, 113770), (31, 95420), (52, 56885), (62, 47710), (65, 45508), (124, 23855), (130, 22754), (155, 19084), (260, 11377), (310, 9542), (367, 8060), (403, 7340), (620, 4771), (734, 4030), (806, 3670), (1468, 2015), (1612, 1835)]