201387655

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 294638400

約数和(自身を除く): 93250745

約数列:

[1, 5, 7, 23, 35, 73, 115, 149, 161, 365, 511, 529, 745, 805, 1043, 1679, 2555, 2645, 3427, 3703, 5215, 8395, 10877, 11753, 17135, 18515, 23989, 38617, 54385, 58765, 76139, 78821, 119945, 193085, 250171, 270319, 380695, 394105, 551747, 1250855, 1351595, 1751197, 2758735, 5753933, 8755985, 28769665, 40277531, 201387655]

約数ペア:

[(1, 201387655), (5, 40277531), (7, 28769665), (23, 8755985), (35, 5753933), (73, 2758735), (115, 1751197), (149, 1351595), (161, 1250855), (365, 551747), (511, 394105), (529, 380695), (745, 270319), (805, 250171), (1043, 193085), (1679, 119945), (2555, 78821), (2645, 76139), (3427, 58765), (3703, 54385), (5215, 38617), (8395, 23989), (10877, 18515), (11753, 17135)]