400710910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{29837}}^1$

素因数の和:29940

約数の個数: 32

約数和(自身を含む): 773400960

約数和(自身を除く): 372690050

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 395, 790, 1343, 2686, 6715, 13430, 29837, 59674, 149185, 298370, 507229, 1014458, 2357123, 2536145, 4714246, 5072290, 11785615, 23571230, 40071091, 80142182, 200355455, 400710910]

約数ペア:

[(1, 400710910), (2, 200355455), (5, 80142182), (10, 40071091), (17, 23571230), (34, 11785615), (79, 5072290), (85, 4714246), (158, 2536145), (170, 2357123), (395, 1014458), (790, 507229), (1343, 298370), (2686, 149185), (6715, 59674), (13430, 29837)]