97780970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{463}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 205659648

約数和(自身を除く): 107878678

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 431, 463, 490, 862, 926, 2155, 2315, 3017, 3241, 4310, 4630, 6034, 6482, 15085, 16205, 21119, 22687, 30170, 32410, 42238, 45374, 105595, 113435, 199553, 211190, 226870, 399106, 997765, 1396871, 1995530, 2793742, 6984355, 9778097, 13968710, 19556194, 48890485, 97780970]

約数ペア:

[(1, 97780970), (2, 48890485), (5, 19556194), (7, 13968710), (10, 9778097), (14, 6984355), (35, 2793742), (49, 1995530), (70, 1396871), (98, 997765), (245, 399106), (431, 226870), (463, 211190), (490, 199553), (862, 113435), (926, 105595), (2155, 45374), (2315, 42238), (3017, 32410), (3241, 30170), (4310, 22687), (4630, 21119), (6034, 16205), (6482, 15085)]