395017220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{6151}}^1$

素因数の和:6205

約数の個数: 72

約数和(自身を含む): 945685440

約数和(自身を除く): 550668220

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, 6151, 6422, 12302, 12844, 16055, 24604, 30755, 32110, 61510, 64220, 79963, 116869, 123020, 159926, 233738, 319852, 399815, 467476, 584345, 799630, 1039519, 1168690, 1519297, 1599260, 2079038, 2337380, 3038594, 4158076, 5197595, 6077188, 7596485, 10395190, 15192970, 19750861, 20790380, 30385940, 39501722, 79003444, 98754305, 197508610, 395017220]

約数ペア:

[(1, 395017220), (2, 197508610), (4, 98754305), (5, 79003444), (10, 39501722), (13, 30385940), (19, 20790380), (20, 19750861), (26, 15192970), (38, 10395190), (52, 7596485), (65, 6077188), (76, 5197595), (95, 4158076), (130, 3038594), (169, 2337380), (190, 2079038), (247, 1599260), (260, 1519297), (338, 1168690), (380, 1039519), (494, 799630), (676, 584345), (845, 467476), (988, 399815), (1235, 319852), (1690, 233738), (2470, 159926), (3211, 123020), (3380, 116869), (4940, 79963), (6151, 64220), (6422, 61510), (12302, 32110), (12844, 30755), (16055, 24604)]