30221780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79531}}^1$

素因数の和:79559

約数の個数: 24

約数和(自身を含む): 66806880

約数和(自身を除く): 36585100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 79531, 159062, 318124, 397655, 795310, 1511089, 1590620, 3022178, 6044356, 7555445, 15110890, 30221780]

約数ペア:

[(1, 30221780), (2, 15110890), (4, 7555445), (5, 6044356), (10, 3022178), (19, 1590620), (20, 1511089), (38, 795310), (76, 397655), (95, 318124), (190, 159062), (380, 79531)]