690478656

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{513749}}^1$

素因数の和:513771

約数の個数: 56

約数和(自身を含む): 2087880000

約数和(自身を除く): 1397401344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 513749, 1027498, 1541247, 2054996, 3082494, 3596243, 4109992, 6164988, 7192486, 8219984, 10788729, 12329976, 14384972, 16439968, 21577458, 24659952, 28769944, 32879936, 43154916, 49319904, 57539888, 86309832, 98639808, 115079776, 172619664, 230159552, 345239328, 690478656]

約数ペア:

[(1, 690478656), (2, 345239328), (3, 230159552), (4, 172619664), (6, 115079776), (7, 98639808), (8, 86309832), (12, 57539888), (14, 49319904), (16, 43154916), (21, 32879936), (24, 28769944), (28, 24659952), (32, 21577458), (42, 16439968), (48, 14384972), (56, 12329976), (64, 10788729), (84, 8219984), (96, 7192486), (112, 6164988), (168, 4109992), (192, 3596243), (224, 3082494), (336, 2054996), (448, 1541247), (672, 1027498), (1344, 513749)]