257316304

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 593712000

約数和(自身を除く): 336395696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 227, 232, 349, 406, 454, 464, 698, 812, 908, 1396, 1589, 1624, 1816, 2443, 2792, 3178, 3248, 3632, 4886, 5584, 6356, 6583, 9772, 10121, 12712, 13166, 19544, 20242, 25424, 26332, 39088, 40484, 46081, 52664, 70847, 79223, 80968, 92162, 105328, 141694, 158446, 161936, 184324, 283388, 316892, 368648, 554561, 566776, 633784, 737296, 1109122, 1133552, 1267568, 2218244, 2297467, 4436488, 4594934, 8872976, 9189868, 16082269, 18379736, 32164538, 36759472, 64329076, 128658152, 257316304]

約数ペア:

[(1, 257316304), (2, 128658152), (4, 64329076), (7, 36759472), (8, 32164538), (14, 18379736), (16, 16082269), (28, 9189868), (29, 8872976), (56, 4594934), (58, 4436488), (112, 2297467), (116, 2218244), (203, 1267568), (227, 1133552), (232, 1109122), (349, 737296), (406, 633784), (454, 566776), (464, 554561), (698, 368648), (812, 316892), (908, 283388), (1396, 184324), (1589, 161936), (1624, 158446), (1816, 141694), (2443, 105328), (2792, 92162), (3178, 80968), (3248, 79223), (3632, 70847), (4886, 52664), (5584, 46081), (6356, 40484), (6583, 39088), (9772, 26332), (10121, 25424), (12712, 20242), (13166, 19544)]