561421880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{738713}}^1$

素因数の和:738743

約数の個数: 32

約数和(自身を含む): 1329685200

約数和(自身を除く): 768263320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 738713, 1477426, 2954852, 3693565, 5909704, 7387130, 14035547, 14774260, 28071094, 29548520, 56142188, 70177735, 112284376, 140355470, 280710940, 561421880]

約数ペア:

[(1, 561421880), (2, 280710940), (4, 140355470), (5, 112284376), (8, 70177735), (10, 56142188), (19, 29548520), (20, 28071094), (38, 14774260), (40, 14035547), (76, 7387130), (95, 5909704), (152, 3693565), (190, 2954852), (380, 1477426), (760, 738713)]