1729422040

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{130621}}^1$

素因数の和:130963

約数の個数: 32

約数和(自身を含む): 3902985360

約数和(自身を除く): 2173563320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 130621, 261242, 522484, 653105, 1044968, 1306210, 2612420, 5224840, 43235551, 86471102, 172942204, 216177755, 345884408, 432355510, 864711020, 1729422040]

約数ペア:

[(1, 1729422040), (2, 864711020), (4, 432355510), (5, 345884408), (8, 216177755), (10, 172942204), (20, 86471102), (40, 43235551), (331, 5224840), (662, 2612420), (1324, 1306210), (1655, 1044968), (2648, 653105), (3310, 522484), (6620, 261242), (13240, 130621)]