208732120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2417}}^1$

素因数の和:2572

約数の個数: 64

約数和(自身を含む): 501396480

約数和(自身を除く): 292664360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 127, 136, 170, 254, 340, 508, 635, 680, 1016, 1270, 2159, 2417, 2540, 4318, 4834, 5080, 8636, 9668, 10795, 12085, 17272, 19336, 21590, 24170, 41089, 43180, 48340, 82178, 86360, 96680, 164356, 205445, 306959, 328712, 410890, 613918, 821780, 1227836, 1534795, 1643560, 2455672, 3069590, 5218303, 6139180, 10436606, 12278360, 20873212, 26091515, 41746424, 52183030, 104366060, 208732120]

約数ペア:

[(1, 208732120), (2, 104366060), (4, 52183030), (5, 41746424), (8, 26091515), (10, 20873212), (17, 12278360), (20, 10436606), (34, 6139180), (40, 5218303), (68, 3069590), (85, 2455672), (127, 1643560), (136, 1534795), (170, 1227836), (254, 821780), (340, 613918), (508, 410890), (635, 328712), (680, 306959), (1016, 205445), (1270, 164356), (2159, 96680), (2417, 86360), (2540, 82178), (4318, 48340), (4834, 43180), (5080, 41089), (8636, 24170), (9668, 21590), (10795, 19336), (12085, 17272)]