219138920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:476

約数の個数: 192

約数和(自身を含む): 667232640

約数和(自身を除く): 448093720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 169, 182, 220, 260, 280, 286, 308, 338, 364, 385, 421, 440, 455, 520, 572, 616, 676, 715, 728, 770, 842, 845, 910, 1001, 1144, 1183, 1352, 1430, 1540, 1684, 1690, 1820, 1859, 2002, 2105, 2366, 2860, 2947, 3080, 3368, 3380, 3640, 3718, 4004, 4210, 4631, 4732, 5005, 5473, 5720, 5894, 5915, 6760, 7436, 8008, 8420, 9262, 9295, 9464, 10010, 10946, 11788, 11830, 13013, 14735, 14872, 16840, 18524, 18590, 20020, 21892, 23155, 23576, 23660, 26026, 27365, 29470, 32417, 37048, 37180, 38311, 40040, 43784, 46310, 47320, 52052, 54730, 58940, 60203, 64834, 65065, 71149, 74360, 76622, 92620, 104104, 109460, 117880, 120406, 129668, 130130, 142298, 153244, 162085, 185240, 191555, 218920, 240812, 259336, 260260, 284596, 301015, 306488, 324170, 355745, 383110, 421421, 481624, 498043, 520520, 569192, 602030, 648340, 711490, 766220, 782639, 842842, 996086, 1204060, 1296680, 1422980, 1532440, 1565278, 1685684, 1992172, 2107105, 2408120, 2490215, 2845960, 3130556, 3371368, 3913195, 3984344, 4214210, 4980430, 5478473, 6261112, 7826390, 8428420, 9960860, 10956946, 15652780, 16856840, 19921720, 21913892, 27392365, 31305560, 43827784, 54784730, 109569460, 219138920]

約数ペア:

[(1, 219138920), (2, 109569460), (4, 54784730), (5, 43827784), (7, 31305560), (8, 27392365), (10, 21913892), (11, 19921720), (13, 16856840), (14, 15652780), (20, 10956946), (22, 9960860), (26, 8428420), (28, 7826390), (35, 6261112), (40, 5478473), (44, 4980430), (52, 4214210), (55, 3984344), (56, 3913195), (65, 3371368), (70, 3130556), (77, 2845960), (88, 2490215), (91, 2408120), (104, 2107105), (110, 1992172), (130, 1685684), (140, 1565278), (143, 1532440), (154, 1422980), (169, 1296680), (182, 1204060), (220, 996086), (260, 842842), (280, 782639), (286, 766220), (308, 711490), (338, 648340), (364, 602030), (385, 569192), (421, 520520), (440, 498043), (455, 481624), (520, 421421), (572, 383110), (616, 355745), (676, 324170), (715, 306488), (728, 301015), (770, 284596), (842, 260260), (845, 259336), (910, 240812), (1001, 218920), (1144, 191555), (1183, 185240), (1352, 162085), (1430, 153244), (1540, 142298), (1684, 130130), (1690, 129668), (1820, 120406), (1859, 117880), (2002, 109460), (2105, 104104), (2366, 92620), (2860, 76622), (2947, 74360), (3080, 71149), (3368, 65065), (3380, 64834), (3640, 60203), (3718, 58940), (4004, 54730), (4210, 52052), (4631, 47320), (4732, 46310), (5005, 43784), (5473, 40040), (5720, 38311), (5894, 37180), (5915, 37048), (6760, 32417), (7436, 29470), (8008, 27365), (8420, 26026), (9262, 23660), (9295, 23576), (9464, 23155), (10010, 21892), (10946, 20020), (11788, 18590), (11830, 18524), (13013, 16840), (14735, 14872)]