99719900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:508

約数の個数: 108

約数和(自身を含む): 257671008

約数和(自身を除く): 157951108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 49, 50, 70, 94, 98, 100, 140, 175, 188, 196, 235, 245, 329, 350, 433, 470, 490, 658, 700, 866, 940, 980, 1175, 1225, 1316, 1645, 1732, 2165, 2303, 2350, 2450, 3031, 3290, 4330, 4606, 4700, 4900, 6062, 6580, 8225, 8660, 9212, 10825, 11515, 12124, 15155, 16450, 20351, 21217, 21650, 23030, 30310, 32900, 40702, 42434, 43300, 46060, 57575, 60620, 75775, 81404, 84868, 101755, 106085, 115150, 142457, 151550, 203510, 212170, 230300, 284914, 303100, 407020, 424340, 508775, 530425, 569828, 712285, 997199, 1017550, 1060850, 1424570, 1994398, 2035100, 2121700, 2849140, 3561425, 3988796, 4985995, 7122850, 9971990, 14245700, 19943980, 24929975, 49859950, 99719900]

約数ペア:

[(1, 99719900), (2, 49859950), (4, 24929975), (5, 19943980), (7, 14245700), (10, 9971990), (14, 7122850), (20, 4985995), (25, 3988796), (28, 3561425), (35, 2849140), (47, 2121700), (49, 2035100), (50, 1994398), (70, 1424570), (94, 1060850), (98, 1017550), (100, 997199), (140, 712285), (175, 569828), (188, 530425), (196, 508775), (235, 424340), (245, 407020), (329, 303100), (350, 284914), (433, 230300), (470, 212170), (490, 203510), (658, 151550), (700, 142457), (866, 115150), (940, 106085), (980, 101755), (1175, 84868), (1225, 81404), (1316, 75775), (1645, 60620), (1732, 57575), (2165, 46060), (2303, 43300), (2350, 42434), (2450, 40702), (3031, 32900), (3290, 30310), (4330, 23030), (4606, 21650), (4700, 21217), (4900, 20351), (6062, 16450), (6580, 15155), (8225, 12124), (8660, 11515), (9212, 10825)]