172857320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{64499}}^1$

素因数の和:64577

約数の個数: 32

約数和(自身を含む): 394740000

約数和(自身を除く): 221882680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 64499, 128998, 257996, 322495, 515992, 644990, 1289980, 2579960, 4321433, 8642866, 17285732, 21607165, 34571464, 43214330, 86428660, 172857320]

約数ペア:

[(1, 172857320), (2, 86428660), (4, 43214330), (5, 34571464), (8, 21607165), (10, 17285732), (20, 8642866), (40, 4321433), (67, 2579960), (134, 1289980), (268, 644990), (335, 515992), (536, 322495), (670, 257996), (1340, 128998), (2680, 64499)]