208259470

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1\times {\mathrm{457}}^1$

素因数の和:892

約数の個数: 32

約数和(自身を含む): 379224000

約数和(自身を除く): 170964530

約数列:

[1, 2, 5, 10, 199, 229, 398, 457, 458, 914, 995, 1145, 1990, 2285, 2290, 4570, 45571, 90943, 91142, 104653, 181886, 209306, 227855, 454715, 455710, 523265, 909430, 1046530, 20825947, 41651894, 104129735, 208259470]

約数ペア:

[(1, 208259470), (2, 104129735), (5, 41651894), (10, 20825947), (199, 1046530), (229, 909430), (398, 523265), (457, 455710), (458, 454715), (914, 227855), (995, 209306), (1145, 181886), (1990, 104653), (2285, 91142), (2290, 90943), (4570, 45571)]