168898380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{402139}}^1$

素因数の和:402158

約数の個数: 48

約数和(自身を含む): 540476160

約数和(自身を除く): 371577780

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, 402139, 804278, 1206417, 1608556, 2010695, 2412834, 2814973, 4021390, 4825668, 5629946, 6032085, 8042780, 8444919, 11259892, 12064170, 14074865, 16889838, 24128340, 28149730, 33779676, 42224595, 56299460, 84449190, 168898380]

約数ペア:

[(1, 168898380), (2, 84449190), (3, 56299460), (4, 42224595), (5, 33779676), (6, 28149730), (7, 24128340), (10, 16889838), (12, 14074865), (14, 12064170), (15, 11259892), (20, 8444919), (21, 8042780), (28, 6032085), (30, 5629946), (35, 4825668), (42, 4021390), (60, 2814973), (70, 2412834), (84, 2010695), (105, 1608556), (140, 1206417), (210, 804278), (420, 402139)]