19809969550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{360509}}^1$

素因数の和:360685

約数の個数: 48

約数和(自身を含む): 42378671520

約数和(自身を除く): 22568701970

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 157, 175, 314, 350, 785, 1099, 1570, 2198, 3925, 5495, 7850, 10990, 27475, 54950, 360509, 721018, 1802545, 2523563, 3605090, 5047126, 9012725, 12617815, 18025450, 25235630, 56599913, 63089075, 113199826, 126178150, 282999565, 396199391, 565999130, 792398782, 1414997825, 1980996955, 2829995650, 3961993910, 9904984775, 19809969550]

約数ペア:

[(1, 19809969550), (2, 9904984775), (5, 3961993910), (7, 2829995650), (10, 1980996955), (14, 1414997825), (25, 792398782), (35, 565999130), (50, 396199391), (70, 282999565), (157, 126178150), (175, 113199826), (314, 63089075), (350, 56599913), (785, 25235630), (1099, 18025450), (1570, 12617815), (2198, 9012725), (3925, 5047126), (5495, 3605090), (7850, 2523563), (10990, 1802545), (27475, 721018), (54950, 360509)]