221440688

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:175

約数の個数: 160

約数和(自身を含む): 548536320

約数和(自身を除く): 327095632

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 46, 47, 56, 59, 62, 92, 94, 112, 118, 124, 161, 184, 188, 217, 236, 248, 322, 329, 368, 376, 413, 434, 472, 496, 644, 658, 713, 752, 826, 868, 944, 1081, 1288, 1316, 1357, 1426, 1457, 1652, 1736, 1829, 2162, 2576, 2632, 2714, 2773, 2852, 2914, 3304, 3472, 3658, 4324, 4991, 5264, 5428, 5546, 5704, 5828, 6608, 7316, 7567, 8648, 9499, 9982, 10199, 10856, 11092, 11408, 11656, 12803, 14632, 15134, 17296, 18998, 19411, 19964, 20398, 21712, 22184, 23312, 25606, 29264, 30268, 33511, 37996, 38822, 39928, 40796, 42067, 44368, 51212, 60536, 63779, 67022, 75992, 77644, 79856, 81592, 84134, 85963, 102424, 121072, 127558, 134044, 151984, 155288, 163184, 168268, 171926, 204848, 234577, 255116, 268088, 294469, 310576, 336536, 343852, 446453, 469154, 510232, 536176, 588938, 601741, 673072, 687704, 892906, 938308, 1020464, 1177876, 1203482, 1375408, 1785812, 1876616, 1977149, 2355752, 2406964, 3571624, 3753232, 3954298, 4711504, 4813928, 7143248, 7908596, 9627856, 13840043, 15817192, 27680086, 31634384, 55360172, 110720344, 221440688]

約数ペア:

[(1, 221440688), (2, 110720344), (4, 55360172), (7, 31634384), (8, 27680086), (14, 15817192), (16, 13840043), (23, 9627856), (28, 7908596), (31, 7143248), (46, 4813928), (47, 4711504), (56, 3954298), (59, 3753232), (62, 3571624), (92, 2406964), (94, 2355752), (112, 1977149), (118, 1876616), (124, 1785812), (161, 1375408), (184, 1203482), (188, 1177876), (217, 1020464), (236, 938308), (248, 892906), (322, 687704), (329, 673072), (368, 601741), (376, 588938), (413, 536176), (434, 510232), (472, 469154), (496, 446453), (644, 343852), (658, 336536), (713, 310576), (752, 294469), (826, 268088), (868, 255116), (944, 234577), (1081, 204848), (1288, 171926), (1316, 168268), (1357, 163184), (1426, 155288), (1457, 151984), (1652, 134044), (1736, 127558), (1829, 121072), (2162, 102424), (2576, 85963), (2632, 84134), (2714, 81592), (2773, 79856), (2852, 77644), (2914, 75992), (3304, 67022), (3472, 63779), (3658, 60536), (4324, 51212), (4991, 44368), (5264, 42067), (5428, 40796), (5546, 39928), (5704, 38822), (5828, 37996), (6608, 33511), (7316, 30268), (7567, 29264), (8648, 25606), (9499, 23312), (9982, 22184), (10199, 21712), (10856, 20398), (11092, 19964), (11408, 19411), (11656, 18998), (12803, 17296), (14632, 15134)]