859080740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{3931}}^1$

素因数の和:4177

約数の個数: 72

約数和(自身を含む): 2108558592

約数和(自身を除く): 1249477852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 223, 245, 446, 490, 892, 980, 1115, 1561, 2230, 3122, 3931, 4460, 6244, 7805, 7862, 10927, 15610, 15724, 19655, 21854, 27517, 31220, 39310, 43708, 54635, 55034, 78620, 109270, 110068, 137585, 192619, 218540, 275170, 385238, 550340, 770476, 876613, 963095, 1753226, 1926190, 3506452, 3852380, 4383065, 6136291, 8766130, 12272582, 17532260, 24545164, 30681455, 42954037, 61362910, 85908074, 122725820, 171816148, 214770185, 429540370, 859080740]

約数ペア:

[(1, 859080740), (2, 429540370), (4, 214770185), (5, 171816148), (7, 122725820), (10, 85908074), (14, 61362910), (20, 42954037), (28, 30681455), (35, 24545164), (49, 17532260), (70, 12272582), (98, 8766130), (140, 6136291), (196, 4383065), (223, 3852380), (245, 3506452), (446, 1926190), (490, 1753226), (892, 963095), (980, 876613), (1115, 770476), (1561, 550340), (2230, 385238), (3122, 275170), (3931, 218540), (4460, 192619), (6244, 137585), (7805, 110068), (7862, 109270), (10927, 78620), (15610, 55034), (15724, 54635), (19655, 43708), (21854, 39310), (27517, 31220)]