201231820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{571}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 431278848

約数和(自身を除く): 230047028

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 263, 268, 335, 526, 571, 670, 1052, 1142, 1315, 1340, 2284, 2630, 2855, 5260, 5710, 11420, 17621, 35242, 38257, 70484, 76514, 88105, 150173, 153028, 176210, 191285, 300346, 352420, 382570, 600692, 750865, 765140, 1501730, 3003460, 10061591, 20123182, 40246364, 50307955, 100615910, 201231820]

約数ペア:

[(1, 201231820), (2, 100615910), (4, 50307955), (5, 40246364), (10, 20123182), (20, 10061591), (67, 3003460), (134, 1501730), (263, 765140), (268, 750865), (335, 600692), (526, 382570), (571, 352420), (670, 300346), (1052, 191285), (1142, 176210), (1315, 153028), (1340, 150173), (2284, 88105), (2630, 76514), (2855, 70484), (5260, 38257), (5710, 35242), (11420, 17621)]