428218128

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:262

約数の個数: 240

約数和(自身を含む): 1369245696

約数和(自身を除く): 941027568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 47, 48, 52, 62, 72, 78, 93, 94, 104, 117, 124, 141, 144, 156, 157, 186, 188, 208, 234, 248, 279, 282, 312, 314, 372, 376, 403, 423, 468, 471, 496, 558, 564, 611, 624, 628, 744, 752, 806, 846, 936, 942, 1116, 1128, 1209, 1222, 1256, 1413, 1457, 1488, 1612, 1692, 1833, 1872, 1884, 2041, 2232, 2256, 2418, 2444, 2512, 2826, 2914, 3224, 3384, 3627, 3666, 3768, 4082, 4371, 4464, 4836, 4867, 4888, 5499, 5652, 5828, 6123, 6448, 6768, 7254, 7332, 7379, 7536, 8164, 8742, 9672, 9734, 9776, 10998, 11304, 11656, 12246, 13113, 14508, 14601, 14664, 14758, 16328, 17484, 18369, 18941, 19344, 19468, 21996, 22137, 22608, 23312, 24492, 26226, 29016, 29202, 29328, 29516, 32656, 34968, 36738, 37882, 38936, 43803, 43992, 44274, 48984, 52452, 56823, 58032, 58404, 59032, 63271, 66411, 69936, 73476, 75764, 77872, 87606, 87984, 88548, 95927, 97968, 104904, 113646, 116808, 118064, 126542, 132822, 146952, 151528, 170469, 175212, 177096, 189813, 191854, 209808, 227292, 228749, 233616, 253084, 265644, 287781, 293904, 303056, 340938, 350424, 354192, 379626, 383708, 454584, 457498, 506168, 531288, 569439, 575562, 681876, 686247, 700848, 759252, 767416, 863343, 909168, 914996, 1012336, 1062576, 1138878, 1151124, 1363752, 1372494, 1518504, 1534832, 1726686, 1829992, 2058741, 2277756, 2302248, 2727504, 2744988, 2973737, 3037008, 3453372, 3659984, 4117482, 4555512, 4604496, 5489976, 5947474, 6906744, 8234964, 8921211, 9111024, 10979952, 11894948, 13813488, 16469928, 17842422, 23789896, 26763633, 32939856, 35684844, 47579792, 53527266, 71369688, 107054532, 142739376, 214109064, 428218128]

約数ペア:

[(1, 428218128), (2, 214109064), (3, 142739376), (4, 107054532), (6, 71369688), (8, 53527266), (9, 47579792), (12, 35684844), (13, 32939856), (16, 26763633), (18, 23789896), (24, 17842422), (26, 16469928), (31, 13813488), (36, 11894948), (39, 10979952), (47, 9111024), (48, 8921211), (52, 8234964), (62, 6906744), (72, 5947474), (78, 5489976), (93, 4604496), (94, 4555512), (104, 4117482), (117, 3659984), (124, 3453372), (141, 3037008), (144, 2973737), (156, 2744988), (157, 2727504), (186, 2302248), (188, 2277756), (208, 2058741), (234, 1829992), (248, 1726686), (279, 1534832), (282, 1518504), (312, 1372494), (314, 1363752), (372, 1151124), (376, 1138878), (403, 1062576), (423, 1012336), (468, 914996), (471, 909168), (496, 863343), (558, 767416), (564, 759252), (611, 700848), (624, 686247), (628, 681876), (744, 575562), (752, 569439), (806, 531288), (846, 506168), (936, 457498), (942, 454584), (1116, 383708), (1128, 379626), (1209, 354192), (1222, 350424), (1256, 340938), (1413, 303056), (1457, 293904), (1488, 287781), (1612, 265644), (1692, 253084), (1833, 233616), (1872, 228749), (1884, 227292), (2041, 209808), (2232, 191854), (2256, 189813), (2418, 177096), (2444, 175212), (2512, 170469), (2826, 151528), (2914, 146952), (3224, 132822), (3384, 126542), (3627, 118064), (3666, 116808), (3768, 113646), (4082, 104904), (4371, 97968), (4464, 95927), (4836, 88548), (4867, 87984), (4888, 87606), (5499, 77872), (5652, 75764), (5828, 73476), (6123, 69936), (6448, 66411), (6768, 63271), (7254, 59032), (7332, 58404), (7379, 58032), (7536, 56823), (8164, 52452), (8742, 48984), (9672, 44274), (9734, 43992), (9776, 43803), (10998, 38936), (11304, 37882), (11656, 36738), (12246, 34968), (13113, 32656), (14508, 29516), (14601, 29328), (14664, 29202), (14758, 29016), (16328, 26226), (17484, 24492), (18369, 23312), (18941, 22608), (19344, 22137), (19468, 21996)]