91397980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{12659}}^1$

素因数の和:12706

約数の個数: 36

約数和(自身を含む): 202585320

約数和(自身を除く): 111187340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 12659, 25318, 50636, 63295, 126590, 240521, 253180, 481042, 962084, 1202605, 2405210, 4569899, 4810420, 9139798, 18279596, 22849495, 45698990, 91397980]

約数ペア:

[(1, 91397980), (2, 45698990), (4, 22849495), (5, 18279596), (10, 9139798), (19, 4810420), (20, 4569899), (38, 2405210), (76, 1202605), (95, 962084), (190, 481042), (361, 253180), (380, 240521), (722, 126590), (1444, 63295), (1805, 50636), (3610, 25318), (7220, 12659)]