400161964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{74159}}^1$

素因数の和:74253

約数の個数: 24

約数和(自身を含む): 747532800

約数和(自身を除く): 347370836

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 5396, 74159, 148318, 296636, 1409021, 2818042, 5265289, 5636084, 10530578, 21061156, 100040491, 200080982, 400161964]

約数ペア:

[(1, 400161964), (2, 200080982), (4, 100040491), (19, 21061156), (38, 10530578), (71, 5636084), (76, 5265289), (142, 2818042), (284, 1409021), (1349, 296636), (2698, 148318), (5396, 74159)]