163235940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{388657}}^1$

素因数の和:388676

約数の個数: 48

約数和(自身を含む): 522356352

約数和(自身を除く): 359120412

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, 388657, 777314, 1165971, 1554628, 1943285, 2331942, 2720599, 3886570, 4663884, 5441198, 5829855, 7773140, 8161797, 10882396, 11659710, 13602995, 16323594, 23319420, 27205990, 32647188, 40808985, 54411980, 81617970, 163235940]

約数ペア:

[(1, 163235940), (2, 81617970), (3, 54411980), (4, 40808985), (5, 32647188), (6, 27205990), (7, 23319420), (10, 16323594), (12, 13602995), (14, 11659710), (15, 10882396), (20, 8161797), (21, 7773140), (28, 5829855), (30, 5441198), (35, 4663884), (42, 3886570), (60, 2720599), (70, 2331942), (84, 1943285), (105, 1554628), (140, 1165971), (210, 777314), (420, 388657)]