198087890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 144

約数和(自身を含む): 492886296

約数和(自身を除く): 294798406

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 49, 55, 65, 70, 77, 91, 98, 110, 121, 130, 143, 154, 182, 242, 245, 257, 286, 385, 455, 490, 514, 539, 605, 637, 715, 770, 847, 910, 1001, 1078, 1210, 1274, 1285, 1430, 1573, 1694, 1799, 2002, 2570, 2695, 2827, 3146, 3185, 3341, 3598, 4235, 5005, 5390, 5654, 5929, 6370, 6682, 7007, 7865, 8470, 8995, 10010, 11011, 11858, 12593, 14014, 14135, 15730, 16705, 17990, 19789, 22022, 23387, 25186, 28270, 29645, 31097, 33410, 35035, 36751, 39578, 46774, 55055, 59290, 62194, 62965, 70070, 73502, 77077, 98945, 110110, 116935, 125930, 138523, 154154, 155485, 163709, 183755, 197890, 217679, 233870, 257257, 277046, 310970, 327418, 367510, 385385, 404261, 435358, 514514, 692615, 770770, 808522, 818545, 1088395, 1286285, 1385230, 1523753, 1637090, 1800799, 2021305, 2176790, 2572570, 2829827, 3047506, 3601598, 4042610, 5659654, 7618765, 9003995, 14149135, 15237530, 18007990, 19808789, 28298270, 39617578, 99043945, 198087890]

約数ペア:

[(1, 198087890), (2, 99043945), (5, 39617578), (7, 28298270), (10, 19808789), (11, 18007990), (13, 15237530), (14, 14149135), (22, 9003995), (26, 7618765), (35, 5659654), (49, 4042610), (55, 3601598), (65, 3047506), (70, 2829827), (77, 2572570), (91, 2176790), (98, 2021305), (110, 1800799), (121, 1637090), (130, 1523753), (143, 1385230), (154, 1286285), (182, 1088395), (242, 818545), (245, 808522), (257, 770770), (286, 692615), (385, 514514), (455, 435358), (490, 404261), (514, 385385), (539, 367510), (605, 327418), (637, 310970), (715, 277046), (770, 257257), (847, 233870), (910, 217679), (1001, 197890), (1078, 183755), (1210, 163709), (1274, 155485), (1285, 154154), (1430, 138523), (1573, 125930), (1694, 116935), (1799, 110110), (2002, 98945), (2570, 77077), (2695, 73502), (2827, 70070), (3146, 62965), (3185, 62194), (3341, 59290), (3598, 55055), (4235, 46774), (5005, 39578), (5390, 36751), (5654, 35035), (5929, 33410), (6370, 31097), (6682, 29645), (7007, 28270), (7865, 25186), (8470, 23387), (8995, 22022), (10010, 19789), (11011, 17990), (11858, 16705), (12593, 15730), (14014, 14135)]