85646820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{203921}}^1$

素因数の和:203940

約数の個数: 48

約数和(自身を含む): 274071168

約数和(自身を除く): 188424348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 203921, 407842, 611763, 815684, 1019605, 1223526, 1427447, 2039210, 2447052, 2854894, 3058815, 4078420, 4282341, 5709788, 6117630, 7137235, 8564682, 12235260, 14274470, 17129364, 21411705, 28548940, 42823410, 85646820]

約数ペア:

[(1, 85646820), (2, 42823410), (3, 28548940), (4, 21411705), (5, 17129364), (6, 14274470), (7, 12235260), (10, 8564682), (12, 7137235), (14, 6117630), (15, 5709788), (20, 4282341), (21, 4078420), (28, 3058815), (30, 2854894), (35, 2447052), (42, 2039210), (60, 1427447), (70, 1223526), (84, 1019605), (105, 815684), (140, 611763), (210, 407842), (420, 203921)]