688593880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101863}}^1$

素因数の和:101900

約数の個数: 48

約数和(自身を含む): 1677700080

約数和(自身を除く): 989106200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 101863, 203726, 407452, 509315, 814904, 1018630, 1324219, 2037260, 2648438, 4074520, 5296876, 6621095, 10593752, 13242190, 17214847, 26484380, 34429694, 52968760, 68859388, 86074235, 137718776, 172148470, 344296940, 688593880]

約数ペア:

[(1, 688593880), (2, 344296940), (4, 172148470), (5, 137718776), (8, 86074235), (10, 68859388), (13, 52968760), (20, 34429694), (26, 26484380), (40, 17214847), (52, 13242190), (65, 10593752), (104, 6621095), (130, 5296876), (169, 4074520), (260, 2648438), (338, 2037260), (520, 1324219), (676, 1018630), (845, 814904), (1352, 509315), (1690, 407452), (3380, 203726), (6760, 101863)]