31057820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 68802048

約数和(自身を除く): 37744228

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 214, 230, 428, 460, 535, 631, 1070, 1262, 2140, 2461, 2524, 3155, 4922, 6310, 9844, 12305, 12620, 14513, 24610, 29026, 49220, 58052, 67517, 72565, 135034, 145130, 270068, 290260, 337585, 675170, 1350340, 1552891, 3105782, 6211564, 7764455, 15528910, 31057820]

約数ペア:

[(1, 31057820), (2, 15528910), (4, 7764455), (5, 6211564), (10, 3105782), (20, 1552891), (23, 1350340), (46, 675170), (92, 337585), (107, 290260), (115, 270068), (214, 145130), (230, 135034), (428, 72565), (460, 67517), (535, 58052), (631, 49220), (1070, 29026), (1262, 24610), (2140, 14513), (2461, 12620), (2524, 12305), (3155, 9844), (4922, 6310)]