19700700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{677}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 57673392

約数和(自身を除く): 37972692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 97, 100, 150, 194, 291, 300, 388, 485, 582, 677, 970, 1164, 1354, 1455, 1940, 2031, 2425, 2708, 2910, 3385, 4062, 4850, 5820, 6770, 7275, 8124, 9700, 10155, 13540, 14550, 16925, 20310, 29100, 33850, 40620, 50775, 65669, 67700, 101550, 131338, 197007, 203100, 262676, 328345, 394014, 656690, 788028, 985035, 1313380, 1641725, 1970070, 3283450, 3940140, 4925175, 6566900, 9850350, 19700700]

約数ペア:

[(1, 19700700), (2, 9850350), (3, 6566900), (4, 4925175), (5, 3940140), (6, 3283450), (10, 1970070), (12, 1641725), (15, 1313380), (20, 985035), (25, 788028), (30, 656690), (50, 394014), (60, 328345), (75, 262676), (97, 203100), (100, 197007), (150, 131338), (194, 101550), (291, 67700), (300, 65669), (388, 50775), (485, 40620), (582, 33850), (677, 29100), (970, 20310), (1164, 16925), (1354, 14550), (1455, 13540), (1940, 10155), (2031, 9700), (2425, 8124), (2708, 7275), (2910, 6770), (3385, 5820), (4062, 4850)]