200451890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{646619}}^1$

素因数の和:646657

約数の個数: 16

約数和(自身を含む): 372453120

約数和(自身を除く): 172001230

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 646619, 1293238, 3233095, 6466190, 20045189, 40090378, 100225945, 200451890]

約数ペア:

[(1, 200451890), (2, 100225945), (5, 40090378), (10, 20045189), (31, 6466190), (62, 3233095), (155, 1293238), (310, 646619)]