194719280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{751}}^1$

素因数の和:1234

約数の個数: 80

約数和(自身を含む): 519204864

約数和(自身を除く): 324485584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 463, 560, 751, 926, 1502, 1852, 2315, 3004, 3241, 3704, 3755, 4630, 5257, 6008, 6482, 7408, 7510, 9260, 10514, 12016, 12964, 15020, 16205, 18520, 21028, 25928, 26285, 30040, 32410, 37040, 42056, 51856, 52570, 60080, 64820, 84112, 105140, 129640, 210280, 259280, 347713, 420560, 695426, 1390852, 1738565, 2433991, 2781704, 3477130, 4867982, 5563408, 6954260, 9735964, 12169955, 13908520, 19471928, 24339910, 27817040, 38943856, 48679820, 97359640, 194719280]

約数ペア:

[(1, 194719280), (2, 97359640), (4, 48679820), (5, 38943856), (7, 27817040), (8, 24339910), (10, 19471928), (14, 13908520), (16, 12169955), (20, 9735964), (28, 6954260), (35, 5563408), (40, 4867982), (56, 3477130), (70, 2781704), (80, 2433991), (112, 1738565), (140, 1390852), (280, 695426), (463, 420560), (560, 347713), (751, 259280), (926, 210280), (1502, 129640), (1852, 105140), (2315, 84112), (3004, 64820), (3241, 60080), (3704, 52570), (3755, 51856), (4630, 42056), (5257, 37040), (6008, 32410), (6482, 30040), (7408, 26285), (7510, 25928), (9260, 21028), (10514, 18520), (12016, 16205), (12964, 15020)]