71324465660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{809}}^1\times {\mathrm{89963}}^1$

素因数の和:90795

約数の個数: 72

約数和(自身を含む): 174452790960

約数和(自身を除く): 103128325300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 809, 980, 1618, 3236, 4045, 5663, 8090, 11326, 16180, 22652, 28315, 39641, 56630, 79282, 89963, 113260, 158564, 179926, 198205, 359852, 396410, 449815, 629741, 792820, 899630, 1259482, 1799260, 2518964, 3148705, 4408187, 6297410, 8816374, 12594820, 17632748, 22040935, 44081870, 72780067, 88163740, 145560134, 291120268, 363900335, 509460469, 727800670, 1018920938, 1455601340, 2037841876, 2547302345, 3566223283, 5094604690, 7132446566, 10189209380, 14264893132, 17831116415, 35662232830, 71324465660]

約数ペア:

[(1, 71324465660), (2, 35662232830), (4, 17831116415), (5, 14264893132), (7, 10189209380), (10, 7132446566), (14, 5094604690), (20, 3566223283), (28, 2547302345), (35, 2037841876), (49, 1455601340), (70, 1018920938), (98, 727800670), (140, 509460469), (196, 363900335), (245, 291120268), (490, 145560134), (809, 88163740), (980, 72780067), (1618, 44081870), (3236, 22040935), (4045, 17632748), (5663, 12594820), (8090, 8816374), (11326, 6297410), (16180, 4408187), (22652, 3148705), (28315, 2518964), (39641, 1799260), (56630, 1259482), (79282, 899630), (89963, 792820), (113260, 629741), (158564, 449815), (179926, 396410), (198205, 359852)]