247606940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{4201}}^1$

素因数の和:4638

約数の個数: 48

約数和(自身を含む): 595809984

約数和(自身を除く): 348203044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1684, 2105, 2947, 4201, 4210, 5894, 8402, 8420, 11788, 14735, 16804, 21005, 29407, 29470, 42010, 58814, 58940, 84020, 117628, 147035, 294070, 588140, 1768621, 3537242, 7074484, 8843105, 12380347, 17686210, 24760694, 35372420, 49521388, 61901735, 123803470, 247606940]

約数ペア:

[(1, 247606940), (2, 123803470), (4, 61901735), (5, 49521388), (7, 35372420), (10, 24760694), (14, 17686210), (20, 12380347), (28, 8843105), (35, 7074484), (70, 3537242), (140, 1768621), (421, 588140), (842, 294070), (1684, 147035), (2105, 117628), (2947, 84020), (4201, 58940), (4210, 58814), (5894, 42010), (8402, 29470), (8420, 29407), (11788, 21005), (14735, 16804)]