420193345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1637}}^1$

素因数の和:2025

約数の個数: 32

約数和(自身を含む): 594397440

約数和(自身を除く): 174204095

約数列:

[1, 5, 11, 13, 55, 65, 143, 359, 715, 1637, 1795, 3949, 4667, 8185, 18007, 19745, 21281, 23335, 51337, 90035, 106405, 234091, 256685, 587683, 1170455, 2938415, 6464513, 7639879, 32322565, 38199395, 84038669, 420193345]

約数ペア:

[(1, 420193345), (5, 84038669), (11, 38199395), (13, 32322565), (55, 7639879), (65, 6464513), (143, 2938415), (359, 1170455), (715, 587683), (1637, 256685), (1795, 234091), (3949, 106405), (4667, 90035), (8185, 51337), (18007, 23335), (19745, 21281)]