2239340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 2840980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 83, 95, 142, 166, 190, 284, 332, 355, 380, 415, 710, 830, 1349, 1420, 1577, 1660, 2698, 3154, 5396, 5893, 6308, 6745, 7885, 11786, 13490, 15770, 23572, 26980, 29465, 31540, 58930, 111967, 117860, 223934, 447868, 559835, 1119670, 2239340]

約数ペア:

[(1, 2239340), (2, 1119670), (4, 559835), (5, 447868), (10, 223934), (19, 117860), (20, 111967), (38, 58930), (71, 31540), (76, 29465), (83, 26980), (95, 23572), (142, 15770), (166, 13490), (190, 11786), (284, 7885), (332, 6745), (355, 6308), (380, 5893), (415, 5396), (710, 3154), (830, 2698), (1349, 1660), (1420, 1577)]