392657240

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{90059}}^1$

素因数の和:90179

約数の個数: 32

約数和(自身を含む): 891594000

約数和(自身を除く): 498936760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 90059, 180118, 360236, 450295, 720472, 900590, 1801180, 3602360, 9816431, 19632862, 39265724, 49082155, 78531448, 98164310, 196328620, 392657240]

約数ペア:

[(1, 392657240), (2, 196328620), (4, 98164310), (5, 78531448), (8, 49082155), (10, 39265724), (20, 19632862), (40, 9816431), (109, 3602360), (218, 1801180), (436, 900590), (545, 720472), (872, 450295), (1090, 360236), (2180, 180118), (4360, 90059)]