831575660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{823}}^1\times {\mathrm{2659}}^1$

素因数の和:3510

約数の個数: 48

約数和(自身を含む): 1841145600

約数和(自身を除く): 1009569940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 823, 1646, 2659, 3292, 4115, 5318, 8230, 10636, 13295, 15637, 16460, 26590, 31274, 50521, 53180, 62548, 78185, 101042, 156370, 202084, 252605, 312740, 505210, 1010420, 2188357, 4376714, 8753428, 10941785, 21883570, 41578783, 43767140, 83157566, 166315132, 207893915, 415787830, 831575660]

約数ペア:

[(1, 831575660), (2, 415787830), (4, 207893915), (5, 166315132), (10, 83157566), (19, 43767140), (20, 41578783), (38, 21883570), (76, 10941785), (95, 8753428), (190, 4376714), (380, 2188357), (823, 1010420), (1646, 505210), (2659, 312740), (3292, 252605), (4115, 202084), (5318, 156370), (8230, 101042), (10636, 78185), (13295, 62548), (15637, 53180), (16460, 50521), (26590, 31274)]