16811900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 108

約数和(自身を含む): 43934688

約数和(自身を除く): 27122788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 49, 50, 70, 73, 94, 98, 100, 140, 146, 175, 188, 196, 235, 245, 292, 329, 350, 365, 470, 490, 511, 658, 700, 730, 940, 980, 1022, 1175, 1225, 1316, 1460, 1645, 1825, 2044, 2303, 2350, 2450, 2555, 3290, 3431, 3577, 3650, 4606, 4700, 4900, 5110, 6580, 6862, 7154, 7300, 8225, 9212, 10220, 11515, 12775, 13724, 14308, 16450, 17155, 17885, 23030, 24017, 25550, 32900, 34310, 35770, 46060, 48034, 51100, 57575, 68620, 71540, 85775, 89425, 96068, 115150, 120085, 168119, 171550, 178850, 230300, 240170, 336238, 343100, 357700, 480340, 600425, 672476, 840595, 1200850, 1681190, 2401700, 3362380, 4202975, 8405950, 16811900]

約数ペア:

[(1, 16811900), (2, 8405950), (4, 4202975), (5, 3362380), (7, 2401700), (10, 1681190), (14, 1200850), (20, 840595), (25, 672476), (28, 600425), (35, 480340), (47, 357700), (49, 343100), (50, 336238), (70, 240170), (73, 230300), (94, 178850), (98, 171550), (100, 168119), (140, 120085), (146, 115150), (175, 96068), (188, 89425), (196, 85775), (235, 71540), (245, 68620), (292, 57575), (329, 51100), (350, 48034), (365, 46060), (470, 35770), (490, 34310), (511, 32900), (658, 25550), (700, 24017), (730, 23030), (940, 17885), (980, 17155), (1022, 16450), (1175, 14308), (1225, 13724), (1316, 12775), (1460, 11515), (1645, 10220), (1825, 9212), (2044, 8225), (2303, 7300), (2350, 7154), (2450, 6862), (2555, 6580), (3290, 5110), (3431, 4900), (3577, 4700), (3650, 4606)]