78811180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1613}}^1$

素因数の和:1978

約数の個数: 48

約数和(自身を含む): 189806400

約数和(自身を除く): 110995220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 349, 698, 1396, 1613, 1745, 2443, 3226, 3490, 4886, 6452, 6980, 8065, 9772, 11291, 12215, 16130, 22582, 24430, 32260, 45164, 48860, 56455, 112910, 225820, 562937, 1125874, 2251748, 2814685, 3940559, 5629370, 7881118, 11258740, 15762236, 19702795, 39405590, 78811180]

約数ペア:

[(1, 78811180), (2, 39405590), (4, 19702795), (5, 15762236), (7, 11258740), (10, 7881118), (14, 5629370), (20, 3940559), (28, 2814685), (35, 2251748), (70, 1125874), (140, 562937), (349, 225820), (698, 112910), (1396, 56455), (1613, 48860), (1745, 45164), (2443, 32260), (3226, 24430), (3490, 22582), (4886, 16130), (6452, 12215), (6980, 11291), (8065, 9772)]