209868340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 502951680

約数和(自身を除く): 293083340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 53, 55, 82, 106, 110, 164, 205, 212, 220, 265, 410, 439, 451, 530, 583, 820, 878, 902, 1060, 1166, 1756, 1804, 2173, 2195, 2255, 2332, 2915, 4346, 4390, 4510, 4829, 5830, 8692, 8780, 9020, 9658, 10865, 11660, 17999, 19316, 21730, 23267, 23903, 24145, 35998, 43460, 46534, 47806, 48290, 71996, 89995, 93068, 95612, 96580, 116335, 119515, 179990, 197989, 232670, 239030, 255937, 359980, 395978, 465340, 478060, 511874, 791956, 953947, 989945, 1023748, 1279685, 1907894, 1979890, 2559370, 3815788, 3959780, 4769735, 5118740, 9539470, 10493417, 19078940, 20986834, 41973668, 52467085, 104934170, 209868340]

約数ペア:

[(1, 209868340), (2, 104934170), (4, 52467085), (5, 41973668), (10, 20986834), (11, 19078940), (20, 10493417), (22, 9539470), (41, 5118740), (44, 4769735), (53, 3959780), (55, 3815788), (82, 2559370), (106, 1979890), (110, 1907894), (164, 1279685), (205, 1023748), (212, 989945), (220, 953947), (265, 791956), (410, 511874), (439, 478060), (451, 465340), (530, 395978), (583, 359980), (820, 255937), (878, 239030), (902, 232670), (1060, 197989), (1166, 179990), (1756, 119515), (1804, 116335), (2173, 96580), (2195, 95612), (2255, 93068), (2332, 89995), (2915, 71996), (4346, 48290), (4390, 47806), (4510, 46534), (4829, 43460), (5830, 35998), (8692, 24145), (8780, 23903), (9020, 23267), (9658, 21730), (10865, 19316), (11660, 17999)]