199871568

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:274

約数の個数: 180

約数和(自身を含む): 623031552

約数和(自身を除く): 423159984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 43, 48, 52, 72, 78, 86, 104, 117, 129, 144, 156, 169, 172, 191, 208, 234, 258, 312, 338, 344, 382, 387, 468, 507, 516, 559, 573, 624, 676, 688, 764, 774, 936, 1014, 1032, 1118, 1146, 1352, 1521, 1528, 1548, 1677, 1719, 1872, 2028, 2064, 2236, 2292, 2483, 2704, 3042, 3056, 3096, 3354, 3438, 4056, 4472, 4584, 4966, 5031, 6084, 6192, 6708, 6876, 7267, 7449, 8112, 8213, 8944, 9168, 9932, 10062, 12168, 13416, 13752, 14534, 14898, 16426, 19864, 20124, 21801, 22347, 24336, 24639, 26832, 27504, 29068, 29796, 32279, 32852, 39728, 40248, 43602, 44694, 49278, 58136, 59592, 64558, 65403, 65704, 73917, 80496, 87204, 89388, 96837, 98556, 106769, 116272, 119184, 129116, 130806, 131408, 147834, 174408, 178776, 193674, 197112, 213538, 258232, 261612, 290511, 295668, 320307, 348816, 357552, 387348, 394224, 427076, 516464, 523224, 581022, 591336, 640614, 774696, 854152, 960921, 1046448, 1162044, 1182672, 1281228, 1387997, 1549392, 1708304, 1921842, 2324088, 2562456, 2775994, 3843684, 4163991, 4648176, 5124912, 5551988, 7687368, 8327982, 11103976, 12491973, 15374736, 16655964, 22207952, 24983946, 33311928, 49967892, 66623856, 99935784, 199871568]

約数ペア:

[(1, 199871568), (2, 99935784), (3, 66623856), (4, 49967892), (6, 33311928), (8, 24983946), (9, 22207952), (12, 16655964), (13, 15374736), (16, 12491973), (18, 11103976), (24, 8327982), (26, 7687368), (36, 5551988), (39, 5124912), (43, 4648176), (48, 4163991), (52, 3843684), (72, 2775994), (78, 2562456), (86, 2324088), (104, 1921842), (117, 1708304), (129, 1549392), (144, 1387997), (156, 1281228), (169, 1182672), (172, 1162044), (191, 1046448), (208, 960921), (234, 854152), (258, 774696), (312, 640614), (338, 591336), (344, 581022), (382, 523224), (387, 516464), (468, 427076), (507, 394224), (516, 387348), (559, 357552), (573, 348816), (624, 320307), (676, 295668), (688, 290511), (764, 261612), (774, 258232), (936, 213538), (1014, 197112), (1032, 193674), (1118, 178776), (1146, 174408), (1352, 147834), (1521, 131408), (1528, 130806), (1548, 129116), (1677, 119184), (1719, 116272), (1872, 106769), (2028, 98556), (2064, 96837), (2236, 89388), (2292, 87204), (2483, 80496), (2704, 73917), (3042, 65704), (3056, 65403), (3096, 64558), (3354, 59592), (3438, 58136), (4056, 49278), (4472, 44694), (4584, 43602), (4966, 40248), (5031, 39728), (6084, 32852), (6192, 32279), (6708, 29796), (6876, 29068), (7267, 27504), (7449, 26832), (8112, 24639), (8213, 24336), (8944, 22347), (9168, 21801), (9932, 20124), (10062, 19864), (12168, 16426), (13416, 14898), (13752, 14534)]