71129380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 175154616

約数和(自身を除く): 104025236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 181, 196, 245, 362, 401, 490, 724, 802, 905, 980, 1267, 1604, 1810, 2005, 2534, 2807, 3620, 4010, 5068, 5614, 6335, 8020, 8869, 11228, 12670, 14035, 17738, 19649, 25340, 28070, 35476, 39298, 44345, 56140, 72581, 78596, 88690, 98245, 145162, 177380, 196490, 290324, 362905, 392980, 508067, 725810, 1016134, 1451620, 2032268, 2540335, 3556469, 5080670, 7112938, 10161340, 14225876, 17782345, 35564690, 71129380]

約数ペア:

[(1, 71129380), (2, 35564690), (4, 17782345), (5, 14225876), (7, 10161340), (10, 7112938), (14, 5080670), (20, 3556469), (28, 2540335), (35, 2032268), (49, 1451620), (70, 1016134), (98, 725810), (140, 508067), (181, 392980), (196, 362905), (245, 290324), (362, 196490), (401, 177380), (490, 145162), (724, 98245), (802, 88690), (905, 78596), (980, 72581), (1267, 56140), (1604, 44345), (1810, 39298), (2005, 35476), (2534, 28070), (2807, 25340), (3620, 19649), (4010, 17738), (5068, 14035), (5614, 12670), (6335, 11228), (8020, 8869)]