221100880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:306

約数の個数: 240

約数和(自身を含む): 698205312

約数和(自身を除く): 477104432

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 121, 130, 140, 143, 154, 176, 182, 208, 220, 242, 251, 260, 280, 286, 308, 364, 385, 440, 455, 484, 502, 520, 560, 572, 605, 616, 715, 728, 770, 847, 880, 910, 968, 1001, 1004, 1040, 1144, 1210, 1232, 1255, 1430, 1456, 1540, 1573, 1694, 1757, 1820, 1936, 2002, 2008, 2288, 2420, 2510, 2761, 2860, 3080, 3146, 3263, 3388, 3514, 3640, 4004, 4016, 4235, 4840, 5005, 5020, 5522, 5720, 6160, 6292, 6526, 6776, 7028, 7280, 7865, 8008, 8470, 8785, 9680, 10010, 10040, 11011, 11044, 11440, 12584, 13052, 13552, 13805, 14056, 15730, 16016, 16315, 16940, 17570, 19327, 20020, 20080, 22022, 22088, 22841, 25168, 26104, 27610, 28112, 30371, 31460, 32630, 33880, 35140, 35893, 38654, 40040, 44044, 44176, 45682, 52208, 55055, 55220, 60742, 62920, 65260, 67760, 70280, 71786, 77308, 80080, 88088, 91364, 96635, 110110, 110440, 114205, 121484, 125840, 130520, 140560, 143572, 151855, 154616, 176176, 179465, 182728, 193270, 212597, 220220, 220880, 228410, 242968, 251251, 261040, 287144, 303710, 309232, 358930, 365456, 386540, 394823, 425194, 440440, 456820, 485936, 502502, 574288, 607420, 717860, 773080, 789646, 850388, 880880, 913640, 1005004, 1062985, 1214840, 1256255, 1435720, 1546160, 1579292, 1700776, 1827280, 1974115, 2010008, 2125970, 2429680, 2512510, 2763761, 2871440, 3158584, 3401552, 3948230, 4020016, 4251940, 5025020, 5527522, 6317168, 7896460, 8503880, 10050040, 11055044, 13818805, 15792920, 17007760, 20100080, 22110088, 27637610, 31585840, 44220176, 55275220, 110550440, 221100880]

約数ペア:

[(1, 221100880), (2, 110550440), (4, 55275220), (5, 44220176), (7, 31585840), (8, 27637610), (10, 22110088), (11, 20100080), (13, 17007760), (14, 15792920), (16, 13818805), (20, 11055044), (22, 10050040), (26, 8503880), (28, 7896460), (35, 6317168), (40, 5527522), (44, 5025020), (52, 4251940), (55, 4020016), (56, 3948230), (65, 3401552), (70, 3158584), (77, 2871440), (80, 2763761), (88, 2512510), (91, 2429680), (104, 2125970), (110, 2010008), (112, 1974115), (121, 1827280), (130, 1700776), (140, 1579292), (143, 1546160), (154, 1435720), (176, 1256255), (182, 1214840), (208, 1062985), (220, 1005004), (242, 913640), (251, 880880), (260, 850388), (280, 789646), (286, 773080), (308, 717860), (364, 607420), (385, 574288), (440, 502502), (455, 485936), (484, 456820), (502, 440440), (520, 425194), (560, 394823), (572, 386540), (605, 365456), (616, 358930), (715, 309232), (728, 303710), (770, 287144), (847, 261040), (880, 251251), (910, 242968), (968, 228410), (1001, 220880), (1004, 220220), (1040, 212597), (1144, 193270), (1210, 182728), (1232, 179465), (1255, 176176), (1430, 154616), (1456, 151855), (1540, 143572), (1573, 140560), (1694, 130520), (1757, 125840), (1820, 121484), (1936, 114205), (2002, 110440), (2008, 110110), (2288, 96635), (2420, 91364), (2510, 88088), (2761, 80080), (2860, 77308), (3080, 71786), (3146, 70280), (3263, 67760), (3388, 65260), (3514, 62920), (3640, 60742), (4004, 55220), (4016, 55055), (4235, 52208), (4840, 45682), (5005, 44176), (5020, 44044), (5522, 40040), (5720, 38654), (6160, 35893), (6292, 35140), (6526, 33880), (6776, 32630), (7028, 31460), (7280, 30371), (7865, 28112), (8008, 27610), (8470, 26104), (8785, 25168), (9680, 22841), (10010, 22088), (10040, 22022), (11011, 20080), (11044, 20020), (11440, 19327), (12584, 17570), (13052, 16940), (13552, 16315), (13805, 16016), (14056, 15730)]