288040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 684000

約数和(自身を除く): 395960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 379, 380, 758, 760, 1516, 1895, 3032, 3790, 7201, 7580, 14402, 15160, 28804, 36005, 57608, 72010, 144020, 288040]

約数ペア:

[(1, 288040), (2, 144020), (4, 72010), (5, 57608), (8, 36005), (10, 28804), (19, 15160), (20, 14402), (38, 7580), (40, 7201), (76, 3790), (95, 3032), (152, 1895), (190, 1516), (379, 760), (380, 758)]