28700256

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 85775760

約数和(自身を除く): 57075504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 32, 39, 48, 52, 58, 61, 78, 87, 96, 104, 116, 122, 156, 169, 174, 183, 208, 232, 244, 312, 338, 348, 366, 377, 416, 464, 488, 507, 624, 676, 696, 732, 754, 793, 928, 976, 1014, 1131, 1248, 1352, 1392, 1464, 1508, 1586, 1769, 1952, 2028, 2262, 2379, 2704, 2784, 2928, 3016, 3172, 3538, 4056, 4524, 4758, 4901, 5307, 5408, 5856, 6032, 6344, 7076, 8112, 9048, 9516, 9802, 10309, 10614, 12064, 12688, 14152, 14703, 16224, 18096, 19032, 19604, 20618, 21228, 22997, 25376, 28304, 29406, 30927, 36192, 38064, 39208, 41236, 42456, 45994, 56608, 58812, 61854, 68991, 76128, 78416, 82472, 84912, 91988, 117624, 123708, 137982, 156832, 164944, 169824, 183976, 235248, 247416, 275964, 298961, 329888, 367952, 470496, 494832, 551928, 597922, 735904, 896883, 989664, 1103856, 1195844, 1793766, 2207712, 2391688, 3587532, 4783376, 7175064, 9566752, 14350128, 28700256]

約数ペア:

[(1, 28700256), (2, 14350128), (3, 9566752), (4, 7175064), (6, 4783376), (8, 3587532), (12, 2391688), (13, 2207712), (16, 1793766), (24, 1195844), (26, 1103856), (29, 989664), (32, 896883), (39, 735904), (48, 597922), (52, 551928), (58, 494832), (61, 470496), (78, 367952), (87, 329888), (96, 298961), (104, 275964), (116, 247416), (122, 235248), (156, 183976), (169, 169824), (174, 164944), (183, 156832), (208, 137982), (232, 123708), (244, 117624), (312, 91988), (338, 84912), (348, 82472), (366, 78416), (377, 76128), (416, 68991), (464, 61854), (488, 58812), (507, 56608), (624, 45994), (676, 42456), (696, 41236), (732, 39208), (754, 38064), (793, 36192), (928, 30927), (976, 29406), (1014, 28304), (1131, 25376), (1248, 22997), (1352, 21228), (1392, 20618), (1464, 19604), (1508, 19032), (1586, 18096), (1769, 16224), (1952, 14703), (2028, 14152), (2262, 12688), (2379, 12064), (2704, 10614), (2784, 10309), (2928, 9802), (3016, 9516), (3172, 9048), (3538, 8112), (4056, 7076), (4524, 6344), (4758, 6032), (4901, 5856), (5307, 5408)]