980696210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{20897}}^1$

素因数の和:20955

約数の個数: 48

約数和(自身を含む): 2006458776

約数和(自身を除く): 1025762566

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 361, 494, 722, 1235, 1805, 2470, 3610, 4693, 9386, 20897, 23465, 41794, 46930, 104485, 208970, 271661, 397043, 543322, 794086, 1358305, 1985215, 2716610, 3970430, 5161559, 7543817, 10323118, 15087634, 25807795, 37719085, 51615590, 75438170, 98069621, 196139242, 490348105, 980696210]

約数ペア:

[(1, 980696210), (2, 490348105), (5, 196139242), (10, 98069621), (13, 75438170), (19, 51615590), (26, 37719085), (38, 25807795), (65, 15087634), (95, 10323118), (130, 7543817), (190, 5161559), (247, 3970430), (361, 2716610), (494, 1985215), (722, 1358305), (1235, 794086), (1805, 543322), (2470, 397043), (3610, 271661), (4693, 208970), (9386, 104485), (20897, 46930), (23465, 41794)]