290367640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{315617}}^1$

素因数の和:315651

約数の個数: 32

約数和(自身を含む): 681734880

約数和(自身を除く): 391367240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 315617, 631234, 1262468, 1578085, 2524936, 3156170, 6312340, 7259191, 12624680, 14518382, 29036764, 36295955, 58073528, 72591910, 145183820, 290367640]

約数ペア:

[(1, 290367640), (2, 145183820), (4, 72591910), (5, 58073528), (8, 36295955), (10, 29036764), (20, 14518382), (23, 12624680), (40, 7259191), (46, 6312340), (92, 3156170), (115, 2524936), (184, 1578085), (230, 1262468), (460, 631234), (920, 315617)]