2491660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 5644800

約数和(自身を除く): 3153140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 83, 95, 158, 166, 190, 316, 332, 380, 395, 415, 790, 830, 1501, 1577, 1580, 1660, 3002, 3154, 6004, 6308, 6557, 7505, 7885, 13114, 15010, 15770, 26228, 30020, 31540, 32785, 65570, 124583, 131140, 249166, 498332, 622915, 1245830, 2491660]

約数ペア:

[(1, 2491660), (2, 1245830), (4, 622915), (5, 498332), (10, 249166), (19, 131140), (20, 124583), (38, 65570), (76, 32785), (79, 31540), (83, 30020), (95, 26228), (158, 15770), (166, 15010), (190, 13114), (316, 7885), (332, 7505), (380, 6557), (395, 6308), (415, 6004), (790, 3154), (830, 3002), (1501, 1660), (1577, 1580)]