208390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 463680

約数和(自身を除く): 255290

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 229, 455, 458, 910, 1145, 1603, 2290, 2977, 3206, 5954, 8015, 14885, 16030, 20839, 29770, 41678, 104195, 208390]

約数ペア:

[(1, 208390), (2, 104195), (5, 41678), (7, 29770), (10, 20839), (13, 16030), (14, 14885), (26, 8015), (35, 5954), (65, 3206), (70, 2977), (91, 2290), (130, 1603), (182, 1145), (229, 910), (455, 458)]