1780072

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 4104000

約数和(自身を除く): 2323928

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 239, 266, 392, 478, 532, 931, 956, 1064, 1673, 1862, 1912, 3346, 3724, 4541, 6692, 7448, 9082, 11711, 13384, 18164, 23422, 31787, 36328, 46844, 63574, 93688, 127148, 222509, 254296, 445018, 890036, 1780072]

約数ペア:

[(1, 1780072), (2, 890036), (4, 445018), (7, 254296), (8, 222509), (14, 127148), (19, 93688), (28, 63574), (38, 46844), (49, 36328), (56, 31787), (76, 23422), (98, 18164), (133, 13384), (152, 11711), (196, 9082), (239, 7448), (266, 6692), (392, 4541), (478, 3724), (532, 3346), (931, 1912), (956, 1862), (1064, 1673)]