1276339940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1\times {\mathrm{4261}}^1$

素因数の和:5168

約数の個数: 48

約数和(自身を含む): 2841867504

約数和(自身を除く): 1565527564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 881, 1762, 3524, 4261, 4405, 8522, 8810, 14977, 17044, 17620, 21305, 29954, 42610, 59908, 72437, 74885, 85220, 144874, 149770, 289748, 299540, 362185, 724370, 1448740, 3753941, 7507882, 15015764, 18769705, 37539410, 63816997, 75078820, 127633994, 255267988, 319084985, 638169970, 1276339940]

約数ペア:

[(1, 1276339940), (2, 638169970), (4, 319084985), (5, 255267988), (10, 127633994), (17, 75078820), (20, 63816997), (34, 37539410), (68, 18769705), (85, 15015764), (170, 7507882), (340, 3753941), (881, 1448740), (1762, 724370), (3524, 362185), (4261, 299540), (4405, 289748), (8522, 149770), (8810, 144874), (14977, 85220), (17044, 74885), (17620, 72437), (21305, 59908), (29954, 42610)]