168541940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{27997}}^1$

素因数の和:28056

約数の個数: 48

約数和(自身を含む): 413922432

約数和(自身を除く): 245380492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 27997, 55994, 111988, 139985, 195979, 279970, 391958, 559940, 783916, 979895, 1203871, 1959790, 2407742, 3919580, 4815484, 6019355, 8427097, 12038710, 16854194, 24077420, 33708388, 42135485, 84270970, 168541940]

約数ペア:

[(1, 168541940), (2, 84270970), (4, 42135485), (5, 33708388), (7, 24077420), (10, 16854194), (14, 12038710), (20, 8427097), (28, 6019355), (35, 4815484), (43, 3919580), (70, 2407742), (86, 1959790), (140, 1203871), (172, 979895), (215, 783916), (301, 559940), (430, 391958), (602, 279970), (860, 195979), (1204, 139985), (1505, 111988), (3010, 55994), (6020, 27997)]