74310020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 162062208

約数和(自身を除く): 87752188

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 430, 710, 860, 1217, 1420, 2434, 3053, 4868, 6085, 6106, 12170, 12212, 15265, 24340, 30530, 52331, 61060, 86407, 104662, 172814, 209324, 261655, 345628, 432035, 523310, 864070, 1046620, 1728140, 3715501, 7431002, 14862004, 18577505, 37155010, 74310020]

約数ペア:

[(1, 74310020), (2, 37155010), (4, 18577505), (5, 14862004), (10, 7431002), (20, 3715501), (43, 1728140), (71, 1046620), (86, 864070), (142, 523310), (172, 432035), (215, 345628), (284, 261655), (355, 209324), (430, 172814), (710, 104662), (860, 86407), (1217, 61060), (1420, 52331), (2434, 30530), (3053, 24340), (4868, 15265), (6085, 12212), (6106, 12170)]