2783139760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1831013}}^1$

素因数の和:1831045

約数の個数: 40

約数和(自身を含む): 6811372080

約数和(自身を除く): 4028232320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1831013, 3662026, 7324052, 9155065, 14648104, 18310130, 29296208, 34789247, 36620260, 69578494, 73240520, 139156988, 146481040, 173946235, 278313976, 347892470, 556627952, 695784940, 1391569880, 2783139760]

約数ペア:

[(1, 2783139760), (2, 1391569880), (4, 695784940), (5, 556627952), (8, 347892470), (10, 278313976), (16, 173946235), (19, 146481040), (20, 139156988), (38, 73240520), (40, 69578494), (76, 36620260), (80, 34789247), (95, 29296208), (152, 18310130), (190, 14648104), (304, 9155065), (380, 7324052), (760, 3662026), (1520, 1831013)]