246067220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{977}}^1$

素因数の和:1257

約数の個数: 72

約数和(自身を含む): 604063656

約数和(自身を除く): 357996436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 257, 490, 514, 977, 980, 1028, 1285, 1799, 1954, 2570, 3598, 3908, 4885, 5140, 6839, 7196, 8995, 9770, 12593, 13678, 17990, 19540, 25186, 27356, 34195, 35980, 47873, 50372, 62965, 68390, 95746, 125930, 136780, 191492, 239365, 251089, 251860, 478730, 502178, 957460, 1004356, 1255445, 1757623, 2510890, 3515246, 5021780, 7030492, 8788115, 12303361, 17576230, 24606722, 35152460, 49213444, 61516805, 123033610, 246067220]

約数ペア:

[(1, 246067220), (2, 123033610), (4, 61516805), (5, 49213444), (7, 35152460), (10, 24606722), (14, 17576230), (20, 12303361), (28, 8788115), (35, 7030492), (49, 5021780), (70, 3515246), (98, 2510890), (140, 1757623), (196, 1255445), (245, 1004356), (257, 957460), (490, 502178), (514, 478730), (977, 251860), (980, 251089), (1028, 239365), (1285, 191492), (1799, 136780), (1954, 125930), (2570, 95746), (3598, 68390), (3908, 62965), (4885, 50372), (5140, 47873), (6839, 35980), (7196, 34195), (8995, 27356), (9770, 25186), (12593, 19540), (13678, 17990)]