85247860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1597}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 190877904

約数和(自身を除く): 105630044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 314, 340, 628, 785, 1570, 1597, 2669, 3140, 3194, 5338, 6388, 7985, 10676, 13345, 15970, 26690, 27149, 31940, 53380, 54298, 108596, 135745, 250729, 271490, 501458, 542980, 1002916, 1253645, 2507290, 4262393, 5014580, 8524786, 17049572, 21311965, 42623930, 85247860]

約数ペア:

[(1, 85247860), (2, 42623930), (4, 21311965), (5, 17049572), (10, 8524786), (17, 5014580), (20, 4262393), (34, 2507290), (68, 1253645), (85, 1002916), (157, 542980), (170, 501458), (314, 271490), (340, 250729), (628, 135745), (785, 108596), (1570, 54298), (1597, 53380), (2669, 31940), (3140, 27149), (3194, 26690), (5338, 15970), (6388, 13345), (7985, 10676)]