4381537940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{68227}}^1$

素因数の和:68281

約数の個数: 72

約数和(自身を含む): 10488008160

約数和(自身を除く): 6106470220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 676, 845, 988, 1235, 1690, 2470, 3211, 3380, 4940, 6422, 12844, 16055, 32110, 64220, 68227, 136454, 272908, 341135, 682270, 886951, 1296313, 1364540, 1773902, 2592626, 3547804, 4434755, 5185252, 6481565, 8869510, 11530363, 12963130, 16852069, 17739020, 23060726, 25926260, 33704138, 46121452, 57651815, 67408276, 84260345, 115303630, 168520690, 219076897, 230607260, 337041380, 438153794, 876307588, 1095384485, 2190768970, 4381537940]

約数ペア:

[(1, 4381537940), (2, 2190768970), (4, 1095384485), (5, 876307588), (10, 438153794), (13, 337041380), (19, 230607260), (20, 219076897), (26, 168520690), (38, 115303630), (52, 84260345), (65, 67408276), (76, 57651815), (95, 46121452), (130, 33704138), (169, 25926260), (190, 23060726), (247, 17739020), (260, 16852069), (338, 12963130), (380, 11530363), (494, 8869510), (676, 6481565), (845, 5185252), (988, 4434755), (1235, 3547804), (1690, 2592626), (2470, 1773902), (3211, 1364540), (3380, 1296313), (4940, 886951), (6422, 682270), (12844, 341135), (16055, 272908), (32110, 136454), (64220, 68227)]