420117768

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{617}}^1$

素因数の和:836

約数の個数: 144

約数和(自身を含む): 1332599580

約数和(自身を除く): 912481812

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 193, 196, 252, 294, 386, 392, 441, 504, 579, 588, 617, 772, 882, 1158, 1176, 1234, 1351, 1544, 1737, 1764, 1851, 2316, 2468, 2702, 3474, 3528, 3702, 4053, 4319, 4632, 4936, 5404, 5553, 6948, 7404, 8106, 8638, 9457, 10808, 11106, 12159, 12957, 13896, 14808, 16212, 17276, 18914, 22212, 24318, 25914, 28371, 30233, 32424, 34552, 37828, 38871, 44424, 48636, 51828, 56742, 60466, 75656, 77742, 85113, 90699, 97272, 103656, 113484, 119081, 120932, 155484, 170226, 181398, 226968, 238162, 241864, 272097, 310968, 340452, 357243, 362796, 476324, 544194, 680904, 714486, 725592, 833567, 952648, 1071729, 1088388, 1428972, 1667134, 2143458, 2176776, 2500701, 2857944, 3334268, 4286916, 5001402, 5834969, 6668536, 7502103, 8573832, 10002804, 11669938, 15004206, 17504907, 20005608, 23339876, 30008412, 35009814, 46679752, 52514721, 60016824, 70019628, 105029442, 140039256, 210058884, 420117768]

約数ペア:

[(1, 420117768), (2, 210058884), (3, 140039256), (4, 105029442), (6, 70019628), (7, 60016824), (8, 52514721), (9, 46679752), (12, 35009814), (14, 30008412), (18, 23339876), (21, 20005608), (24, 17504907), (28, 15004206), (36, 11669938), (42, 10002804), (49, 8573832), (56, 7502103), (63, 6668536), (72, 5834969), (84, 5001402), (98, 4286916), (126, 3334268), (147, 2857944), (168, 2500701), (193, 2176776), (196, 2143458), (252, 1667134), (294, 1428972), (386, 1088388), (392, 1071729), (441, 952648), (504, 833567), (579, 725592), (588, 714486), (617, 680904), (772, 544194), (882, 476324), (1158, 362796), (1176, 357243), (1234, 340452), (1351, 310968), (1544, 272097), (1737, 241864), (1764, 238162), (1851, 226968), (2316, 181398), (2468, 170226), (2702, 155484), (3474, 120932), (3528, 119081), (3702, 113484), (4053, 103656), (4319, 97272), (4632, 90699), (4936, 85113), (5404, 77742), (5553, 75656), (6948, 60466), (7404, 56742), (8106, 51828), (8638, 48636), (9457, 44424), (10808, 38871), (11106, 37828), (12159, 34552), (12957, 32424), (13896, 30233), (14808, 28371), (16212, 25914), (17276, 24318), (18914, 22212)]