201984860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:532

約数の個数: 144

約数和(自身を含む): 552611808

約数和(自身を除く): 350626948

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 44, 49, 55, 70, 77, 82, 98, 110, 140, 154, 164, 196, 205, 220, 245, 287, 308, 385, 410, 451, 457, 490, 539, 574, 770, 820, 902, 914, 980, 1078, 1148, 1435, 1540, 1804, 1828, 2009, 2156, 2255, 2285, 2695, 2870, 3157, 3199, 4018, 4510, 4570, 5027, 5390, 5740, 6314, 6398, 8036, 9020, 9140, 10045, 10054, 10780, 12628, 12796, 15785, 15995, 18737, 20090, 20108, 22099, 22393, 25135, 31570, 31990, 35189, 37474, 40180, 44198, 44786, 50270, 63140, 63980, 70378, 74948, 88396, 89572, 93685, 100540, 110495, 111965, 131159, 140756, 175945, 187370, 206107, 220990, 223930, 246323, 262318, 351890, 374740, 412214, 441980, 447860, 492646, 524636, 655795, 703780, 824428, 918113, 985292, 1030535, 1231615, 1311590, 1442749, 1836226, 2061070, 2463230, 2623180, 2885498, 3672452, 4122140, 4590565, 4926460, 5770996, 7213745, 9181130, 10099243, 14427490, 18362260, 20198486, 28854980, 40396972, 50496215, 100992430, 201984860]

約数ペア:

[(1, 201984860), (2, 100992430), (4, 50496215), (5, 40396972), (7, 28854980), (10, 20198486), (11, 18362260), (14, 14427490), (20, 10099243), (22, 9181130), (28, 7213745), (35, 5770996), (41, 4926460), (44, 4590565), (49, 4122140), (55, 3672452), (70, 2885498), (77, 2623180), (82, 2463230), (98, 2061070), (110, 1836226), (140, 1442749), (154, 1311590), (164, 1231615), (196, 1030535), (205, 985292), (220, 918113), (245, 824428), (287, 703780), (308, 655795), (385, 524636), (410, 492646), (451, 447860), (457, 441980), (490, 412214), (539, 374740), (574, 351890), (770, 262318), (820, 246323), (902, 223930), (914, 220990), (980, 206107), (1078, 187370), (1148, 175945), (1435, 140756), (1540, 131159), (1804, 111965), (1828, 110495), (2009, 100540), (2156, 93685), (2255, 89572), (2285, 88396), (2695, 74948), (2870, 70378), (3157, 63980), (3199, 63140), (4018, 50270), (4510, 44786), (4570, 44198), (5027, 40180), (5390, 37474), (5740, 35189), (6314, 31990), (6398, 31570), (8036, 25135), (9020, 22393), (9140, 22099), (10045, 20108), (10054, 20090), (10780, 18737), (12628, 15995), (12796, 15785)]