320484892

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1723}}^1$

素因数の和:1827

約数の個数: 72

約数和(自身を含む): 712639536

約数和(自身を除く): 392154644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 73, 91, 98, 146, 182, 196, 292, 364, 511, 637, 949, 1022, 1274, 1723, 1898, 2044, 2548, 3446, 3577, 3796, 6643, 6892, 7154, 12061, 13286, 14308, 22399, 24122, 26572, 44798, 46501, 48244, 84427, 89596, 93002, 125779, 156793, 168854, 186004, 251558, 313586, 337708, 503116, 627172, 880453, 1097551, 1635127, 1760906, 2195102, 3270254, 3521812, 4390204, 6163171, 6540508, 11445889, 12326342, 22891778, 24652684, 45783556, 80121223, 160242446, 320484892]

約数ペア:

[(1, 320484892), (2, 160242446), (4, 80121223), (7, 45783556), (13, 24652684), (14, 22891778), (26, 12326342), (28, 11445889), (49, 6540508), (52, 6163171), (73, 4390204), (91, 3521812), (98, 3270254), (146, 2195102), (182, 1760906), (196, 1635127), (292, 1097551), (364, 880453), (511, 627172), (637, 503116), (949, 337708), (1022, 313586), (1274, 251558), (1723, 186004), (1898, 168854), (2044, 156793), (2548, 125779), (3446, 93002), (3577, 89596), (3796, 84427), (6643, 48244), (6892, 46501), (7154, 44798), (12061, 26572), (13286, 24122), (14308, 22399)]