171684940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1226321}}^1$

素因数の和:1226337

約数の個数: 24

約数和(自身を含む): 412044192

約数和(自身を除く): 240359252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1226321, 2452642, 4905284, 6131605, 8584247, 12263210, 17168494, 24526420, 34336988, 42921235, 85842470, 171684940]

約数ペア:

[(1, 171684940), (2, 85842470), (4, 42921235), (5, 34336988), (7, 24526420), (10, 17168494), (14, 12263210), (20, 8584247), (28, 6131605), (35, 4905284), (70, 2452642), (140, 1226321)]