725420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 1693440

約数和(自身を除く): 968020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 83, 92, 95, 115, 166, 190, 230, 332, 380, 415, 437, 460, 830, 874, 1577, 1660, 1748, 1909, 2185, 3154, 3818, 4370, 6308, 7636, 7885, 8740, 9545, 15770, 19090, 31540, 36271, 38180, 72542, 145084, 181355, 362710, 725420]

約数ペア:

[(1, 725420), (2, 362710), (4, 181355), (5, 145084), (10, 72542), (19, 38180), (20, 36271), (23, 31540), (38, 19090), (46, 15770), (76, 9545), (83, 8740), (92, 7885), (95, 7636), (115, 6308), (166, 4370), (190, 3818), (230, 3154), (332, 2185), (380, 1909), (415, 1748), (437, 1660), (460, 1577), (830, 874)]