420801528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:589

約数の個数: 128

約数和(自身を含む): 1240012800

約数和(自身を除く): 819211272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 137, 141, 168, 188, 274, 282, 329, 376, 389, 411, 548, 564, 658, 778, 822, 959, 987, 1096, 1128, 1167, 1316, 1556, 1644, 1918, 1974, 2334, 2632, 2723, 2877, 3112, 3288, 3836, 3948, 4668, 5446, 5754, 6439, 7672, 7896, 8169, 9336, 10892, 11508, 12878, 16338, 18283, 19317, 21784, 23016, 25756, 32676, 36566, 38634, 45073, 51512, 53293, 54849, 65352, 73132, 77268, 90146, 106586, 109698, 127981, 135219, 146264, 154536, 159879, 180292, 213172, 219396, 255962, 270438, 319758, 360584, 373051, 383943, 426344, 438792, 511924, 540876, 639516, 746102, 767886, 1023848, 1081752, 1119153, 1279032, 1492204, 1535772, 2238306, 2504771, 2984408, 3071544, 4476612, 5009542, 7514313, 8953224, 10019084, 15028626, 17533397, 20038168, 30057252, 35066794, 52600191, 60114504, 70133588, 105200382, 140267176, 210400764, 420801528]

約数ペア:

[(1, 420801528), (2, 210400764), (3, 140267176), (4, 105200382), (6, 70133588), (7, 60114504), (8, 52600191), (12, 35066794), (14, 30057252), (21, 20038168), (24, 17533397), (28, 15028626), (42, 10019084), (47, 8953224), (56, 7514313), (84, 5009542), (94, 4476612), (137, 3071544), (141, 2984408), (168, 2504771), (188, 2238306), (274, 1535772), (282, 1492204), (329, 1279032), (376, 1119153), (389, 1081752), (411, 1023848), (548, 767886), (564, 746102), (658, 639516), (778, 540876), (822, 511924), (959, 438792), (987, 426344), (1096, 383943), (1128, 373051), (1167, 360584), (1316, 319758), (1556, 270438), (1644, 255962), (1918, 219396), (1974, 213172), (2334, 180292), (2632, 159879), (2723, 154536), (2877, 146264), (3112, 135219), (3288, 127981), (3836, 109698), (3948, 106586), (4668, 90146), (5446, 77268), (5754, 73132), (6439, 65352), (7672, 54849), (7896, 53293), (8169, 51512), (9336, 45073), (10892, 38634), (11508, 36566), (12878, 32676), (16338, 25756), (18283, 23016), (19317, 21784)]