77811740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1481}}^1$

素因数の和:1598

約数の個数: 48

約数和(自身を含む): 170299584

約数和(自身を除く): 92487844

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 710, 740, 1420, 1481, 2627, 2962, 5254, 5924, 7405, 10508, 13135, 14810, 26270, 29620, 52540, 54797, 105151, 109594, 210302, 219188, 273985, 420604, 525755, 547970, 1051510, 1095940, 2103020, 3890587, 7781174, 15562348, 19452935, 38905870, 77811740]

約数ペア:

[(1, 77811740), (2, 38905870), (4, 19452935), (5, 15562348), (10, 7781174), (20, 3890587), (37, 2103020), (71, 1095940), (74, 1051510), (142, 547970), (148, 525755), (185, 420604), (284, 273985), (355, 219188), (370, 210302), (710, 109594), (740, 105151), (1420, 54797), (1481, 52540), (2627, 29620), (2962, 26270), (5254, 14810), (5924, 13135), (7405, 10508)]