788305820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{66919}}^1$

素因数の和:66978

約数の個数: 48

約数和(自身を含む): 1798809600

約数和(自身を除く): 1010503780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 66919, 133838, 267676, 334595, 669190, 1271461, 1338380, 2074489, 2542922, 4148978, 5085844, 6357305, 8297956, 10372445, 12714610, 20744890, 25429220, 39415291, 41489780, 78830582, 157661164, 197076455, 394152910, 788305820]

約数ペア:

[(1, 788305820), (2, 394152910), (4, 197076455), (5, 157661164), (10, 78830582), (19, 41489780), (20, 39415291), (31, 25429220), (38, 20744890), (62, 12714610), (76, 10372445), (95, 8297956), (124, 6357305), (155, 5085844), (190, 4148978), (310, 2542922), (380, 2074489), (589, 1338380), (620, 1271461), (1178, 669190), (2356, 334595), (2945, 267676), (5890, 133838), (11780, 66919)]