221873960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:328

約数の個数: 192

約数和(自身を含む): 651551040

約数和(自身を除く): 429677080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 41, 44, 49, 55, 56, 70, 77, 82, 88, 98, 110, 140, 154, 164, 196, 205, 220, 245, 251, 280, 287, 308, 328, 385, 392, 410, 440, 451, 490, 502, 539, 574, 616, 770, 820, 902, 980, 1004, 1078, 1148, 1255, 1435, 1540, 1640, 1757, 1804, 1960, 2008, 2009, 2156, 2255, 2296, 2510, 2695, 2761, 2870, 3080, 3157, 3514, 3608, 4018, 4312, 4510, 5020, 5390, 5522, 5740, 6314, 7028, 8036, 8785, 9020, 10040, 10045, 10291, 10780, 11044, 11480, 12299, 12628, 13805, 14056, 15785, 16072, 17570, 18040, 19327, 20090, 20582, 21560, 22088, 22099, 24598, 25256, 27610, 31570, 35140, 38654, 40180, 41164, 44198, 49196, 51455, 55220, 61495, 63140, 70280, 72037, 77308, 80360, 82328, 88396, 96635, 98392, 102910, 110440, 110495, 113201, 122990, 126280, 135289, 144074, 154616, 176792, 193270, 205820, 220990, 226402, 245980, 270578, 288148, 360185, 386540, 411640, 441980, 452804, 491960, 504259, 541156, 566005, 576296, 676445, 720370, 773080, 792407, 883960, 905608, 1008518, 1082312, 1132010, 1352890, 1440740, 1584814, 2017036, 2264020, 2521295, 2705780, 2881480, 3169628, 3962035, 4034072, 4528040, 5042590, 5411560, 5546849, 6339256, 7924070, 10085180, 11093698, 15848140, 20170360, 22187396, 27734245, 31696280, 44374792, 55468490, 110936980, 221873960]

約数ペア:

[(1, 221873960), (2, 110936980), (4, 55468490), (5, 44374792), (7, 31696280), (8, 27734245), (10, 22187396), (11, 20170360), (14, 15848140), (20, 11093698), (22, 10085180), (28, 7924070), (35, 6339256), (40, 5546849), (41, 5411560), (44, 5042590), (49, 4528040), (55, 4034072), (56, 3962035), (70, 3169628), (77, 2881480), (82, 2705780), (88, 2521295), (98, 2264020), (110, 2017036), (140, 1584814), (154, 1440740), (164, 1352890), (196, 1132010), (205, 1082312), (220, 1008518), (245, 905608), (251, 883960), (280, 792407), (287, 773080), (308, 720370), (328, 676445), (385, 576296), (392, 566005), (410, 541156), (440, 504259), (451, 491960), (490, 452804), (502, 441980), (539, 411640), (574, 386540), (616, 360185), (770, 288148), (820, 270578), (902, 245980), (980, 226402), (1004, 220990), (1078, 205820), (1148, 193270), (1255, 176792), (1435, 154616), (1540, 144074), (1640, 135289), (1757, 126280), (1804, 122990), (1960, 113201), (2008, 110495), (2009, 110440), (2156, 102910), (2255, 98392), (2296, 96635), (2510, 88396), (2695, 82328), (2761, 80360), (2870, 77308), (3080, 72037), (3157, 70280), (3514, 63140), (3608, 61495), (4018, 55220), (4312, 51455), (4510, 49196), (5020, 44198), (5390, 41164), (5522, 40180), (5740, 38654), (6314, 35140), (7028, 31570), (8036, 27610), (8785, 25256), (9020, 24598), (10040, 22099), (10045, 22088), (10291, 21560), (10780, 20582), (11044, 20090), (11480, 19327), (12299, 18040), (12628, 17570), (13805, 16072), (14056, 15785)]