85821860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{503}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 190512000

約数和(自身を除く): 104690140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 449, 503, 898, 1006, 1796, 2012, 2245, 2515, 4490, 5030, 8531, 8980, 9557, 10060, 17062, 19114, 34124, 38228, 42655, 47785, 85310, 95570, 170620, 191140, 225847, 451694, 903388, 1129235, 2258470, 4291093, 4516940, 8582186, 17164372, 21455465, 42910930, 85821860]

約数ペア:

[(1, 85821860), (2, 42910930), (4, 21455465), (5, 17164372), (10, 8582186), (19, 4516940), (20, 4291093), (38, 2258470), (76, 1129235), (95, 903388), (190, 451694), (380, 225847), (449, 191140), (503, 170620), (898, 95570), (1006, 85310), (1796, 47785), (2012, 42655), (2245, 38228), (2515, 34124), (4490, 19114), (5030, 17062), (8531, 10060), (8980, 9557)]