183199880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 421303680

約数和(自身を除く): 238103800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 251, 257, 284, 355, 502, 514, 568, 710, 1004, 1028, 1255, 1285, 1420, 2008, 2056, 2510, 2570, 2840, 5020, 5140, 10040, 10280, 17821, 18247, 35642, 36494, 64507, 71284, 72988, 89105, 91235, 129014, 142568, 145976, 178210, 182470, 258028, 322535, 356420, 364940, 516056, 645070, 712840, 729880, 1290140, 2580280, 4579997, 9159994, 18319988, 22899985, 36639976, 45799970, 91599940, 183199880]

約数ペア:

[(1, 183199880), (2, 91599940), (4, 45799970), (5, 36639976), (8, 22899985), (10, 18319988), (20, 9159994), (40, 4579997), (71, 2580280), (142, 1290140), (251, 729880), (257, 712840), (284, 645070), (355, 516056), (502, 364940), (514, 356420), (568, 322535), (710, 258028), (1004, 182470), (1028, 178210), (1255, 145976), (1285, 142568), (1420, 129014), (2008, 91235), (2056, 89105), (2510, 72988), (2570, 71284), (2840, 64507), (5020, 36494), (5140, 35642), (10040, 18247), (10280, 17821)]