90553240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{6271}}^1$

素因数の和:6320

約数の個数: 48

約数和(自身を含む): 215066880

約数和(自身を除く): 124513640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 6271, 7220, 12542, 14440, 25084, 31355, 50168, 62710, 119149, 125420, 238298, 250840, 476596, 595745, 953192, 1191490, 2263831, 2382980, 4527662, 4765960, 9055324, 11319155, 18110648, 22638310, 45276620, 90553240]

約数ペア:

[(1, 90553240), (2, 45276620), (4, 22638310), (5, 18110648), (8, 11319155), (10, 9055324), (19, 4765960), (20, 4527662), (38, 2382980), (40, 2263831), (76, 1191490), (95, 953192), (152, 595745), (190, 476596), (361, 250840), (380, 238298), (722, 125420), (760, 119149), (1444, 62710), (1805, 50168), (2888, 31355), (3610, 25084), (6271, 14440), (7220, 12542)]