19948921300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2590769}}^1$

素因数の和:2590801

約数の個数: 72

約数和(自身を含む): 53970920640

約数和(自身を除く): 34021999340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700, 2590769, 5181538, 10363076, 12953845, 18135383, 25907690, 28498459, 36270766, 51815380, 56996918, 64769225, 72541532, 90676915, 113993836, 129538450, 142492295, 181353830, 199489213, 259076900, 284984590, 362707660, 398978426, 453384575, 569969180, 712461475, 797956852, 906769150, 997446065, 1424922950, 1813538300, 1994892130, 2849845900, 3989784260, 4987230325, 9974460650, 19948921300]

約数ペア:

[(1, 19948921300), (2, 9974460650), (4, 4987230325), (5, 3989784260), (7, 2849845900), (10, 1994892130), (11, 1813538300), (14, 1424922950), (20, 997446065), (22, 906769150), (25, 797956852), (28, 712461475), (35, 569969180), (44, 453384575), (50, 398978426), (55, 362707660), (70, 284984590), (77, 259076900), (100, 199489213), (110, 181353830), (140, 142492295), (154, 129538450), (175, 113993836), (220, 90676915), (275, 72541532), (308, 64769225), (350, 56996918), (385, 51815380), (550, 36270766), (700, 28498459), (770, 25907690), (1100, 18135383), (1540, 12953845), (1925, 10363076), (3850, 5181538), (7700, 2590769)]