5153180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 11612160

約数和(自身を除く): 6458980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 191, 284, 355, 380, 382, 710, 764, 955, 1349, 1420, 1910, 2698, 3629, 3820, 5396, 6745, 7258, 13490, 13561, 14516, 18145, 26980, 27122, 36290, 54244, 67805, 72580, 135610, 257659, 271220, 515318, 1030636, 1288295, 2576590, 5153180]

約数ペア:

[(1, 5153180), (2, 2576590), (4, 1288295), (5, 1030636), (10, 515318), (19, 271220), (20, 257659), (38, 135610), (71, 72580), (76, 67805), (95, 54244), (142, 36290), (190, 27122), (191, 26980), (284, 18145), (355, 14516), (380, 13561), (382, 13490), (710, 7258), (764, 6745), (955, 5396), (1349, 3820), (1420, 3629), (1910, 2698)]