820489376

素因数分解:

$2^5\times 7^1\times {\mathrm{41}}^2\times {\mathrm{2179}}^1$

素因数の和:2278

約数の個数: 72

約数和(自身を含む): 1893094560

約数和(自身を除く): 1072605184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 82, 112, 164, 224, 287, 328, 574, 656, 1148, 1312, 1681, 2179, 2296, 3362, 4358, 4592, 6724, 8716, 9184, 11767, 13448, 15253, 17432, 23534, 26896, 30506, 34864, 47068, 53792, 61012, 69728, 89339, 94136, 122024, 178678, 188272, 244048, 357356, 376544, 488096, 625373, 714712, 1250746, 1429424, 2501492, 2858848, 3662899, 5002984, 7325798, 10005968, 14651596, 20011936, 25640293, 29303192, 51280586, 58606384, 102561172, 117212768, 205122344, 410244688, 820489376]

約数ペア:

[(1, 820489376), (2, 410244688), (4, 205122344), (7, 117212768), (8, 102561172), (14, 58606384), (16, 51280586), (28, 29303192), (32, 25640293), (41, 20011936), (56, 14651596), (82, 10005968), (112, 7325798), (164, 5002984), (224, 3662899), (287, 2858848), (328, 2501492), (574, 1429424), (656, 1250746), (1148, 714712), (1312, 625373), (1681, 488096), (2179, 376544), (2296, 357356), (3362, 244048), (4358, 188272), (4592, 178678), (6724, 122024), (8716, 94136), (9184, 89339), (11767, 69728), (13448, 61012), (15253, 53792), (17432, 47068), (23534, 34864), (26896, 30506)]