90111910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{5009}}^1$

素因数の和:5280

約数の個数: 32

約数和(自身を含む): 186131520

約数和(自身を除く): 96019610

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1799, 2570, 3598, 5009, 8995, 10018, 17990, 25045, 35063, 50090, 70126, 175315, 350630, 1287313, 2574626, 6436565, 9011191, 12873130, 18022382, 45055955, 90111910]

約数ペア:

[(1, 90111910), (2, 45055955), (5, 18022382), (7, 12873130), (10, 9011191), (14, 6436565), (35, 2574626), (70, 1287313), (257, 350630), (514, 175315), (1285, 70126), (1799, 50090), (2570, 35063), (3598, 25045), (5009, 17990), (8995, 10018)]