321915104

素因数分解:

$2^5\times 7^3\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 747936000

約数和(自身を除く): 426020896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 139, 196, 211, 224, 278, 343, 392, 422, 556, 686, 784, 844, 973, 1112, 1372, 1477, 1568, 1688, 1946, 2224, 2744, 2954, 3376, 3892, 4448, 5488, 5908, 6752, 6811, 7784, 10339, 10976, 11816, 13622, 15568, 20678, 23632, 27244, 29329, 31136, 41356, 47264, 47677, 54488, 58658, 72373, 82712, 95354, 108976, 117316, 144746, 165424, 190708, 205303, 217952, 234632, 289492, 330848, 381416, 410606, 469264, 578984, 762832, 821212, 938528, 1157968, 1437121, 1525664, 1642424, 2315936, 2874242, 3284848, 5748484, 6569696, 10059847, 11496968, 20119694, 22993936, 40239388, 45987872, 80478776, 160957552, 321915104]

約数ペア:

[(1, 321915104), (2, 160957552), (4, 80478776), (7, 45987872), (8, 40239388), (14, 22993936), (16, 20119694), (28, 11496968), (32, 10059847), (49, 6569696), (56, 5748484), (98, 3284848), (112, 2874242), (139, 2315936), (196, 1642424), (211, 1525664), (224, 1437121), (278, 1157968), (343, 938528), (392, 821212), (422, 762832), (556, 578984), (686, 469264), (784, 410606), (844, 381416), (973, 330848), (1112, 289492), (1372, 234632), (1477, 217952), (1568, 205303), (1688, 190708), (1946, 165424), (2224, 144746), (2744, 117316), (2954, 108976), (3376, 95354), (3892, 82712), (4448, 72373), (5488, 58658), (5908, 54488), (6752, 47677), (6811, 47264), (7784, 41356), (10339, 31136), (10976, 29329), (11816, 27244), (13622, 23632), (15568, 20678)]