13858180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 34473600

約数和(自身を除く): 20615420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 179, 196, 245, 316, 358, 395, 490, 553, 716, 790, 895, 980, 1106, 1253, 1580, 1790, 2212, 2506, 2765, 3580, 3871, 5012, 5530, 6265, 7742, 8771, 11060, 12530, 14141, 15484, 17542, 19355, 25060, 28282, 35084, 38710, 43855, 56564, 70705, 77420, 87710, 98987, 141410, 175420, 197974, 282820, 395948, 494935, 692909, 989870, 1385818, 1979740, 2771636, 3464545, 6929090, 13858180]

約数ペア:

[(1, 13858180), (2, 6929090), (4, 3464545), (5, 2771636), (7, 1979740), (10, 1385818), (14, 989870), (20, 692909), (28, 494935), (35, 395948), (49, 282820), (70, 197974), (79, 175420), (98, 141410), (140, 98987), (158, 87710), (179, 77420), (196, 70705), (245, 56564), (316, 43855), (358, 38710), (395, 35084), (490, 28282), (553, 25060), (716, 19355), (790, 17542), (895, 15484), (980, 14141), (1106, 12530), (1253, 11060), (1580, 8771), (1790, 7742), (2212, 6265), (2506, 5530), (2765, 5012), (3580, 3871)]