71570380

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{10433}}^1$

素因数の和:10463

約数の個数: 48

約数和(自身を含む): 175291200

約数和(自身を除く): 103720820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 10433, 20866, 41732, 52165, 73031, 104330, 146062, 208660, 292124, 365155, 511217, 730310, 1022434, 1460620, 2044868, 2556085, 3578519, 5112170, 7157038, 10224340, 14314076, 17892595, 35785190, 71570380]

約数ペア:

[(1, 71570380), (2, 35785190), (4, 17892595), (5, 14314076), (7, 10224340), (10, 7157038), (14, 5112170), (20, 3578519), (28, 2556085), (35, 2044868), (49, 1460620), (70, 1022434), (98, 730310), (140, 511217), (196, 365155), (245, 292124), (343, 208660), (490, 146062), (686, 104330), (980, 73031), (1372, 52165), (1715, 41732), (3430, 20866), (6860, 10433)]