69641740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{397}}^1$

素因数の和:599

約数の個数: 72

約数和(自身を含む): 171506160

約数和(自身を除く): 101864420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 179, 196, 245, 358, 397, 490, 716, 794, 895, 980, 1253, 1588, 1790, 1985, 2506, 2779, 3580, 3970, 5012, 5558, 6265, 7940, 8771, 11116, 12530, 13895, 17542, 19453, 25060, 27790, 35084, 38906, 43855, 55580, 71063, 77812, 87710, 97265, 142126, 175420, 194530, 284252, 355315, 389060, 497441, 710630, 994882, 1421260, 1989764, 2487205, 3482087, 4974410, 6964174, 9948820, 13928348, 17410435, 34820870, 69641740]

約数ペア:

[(1, 69641740), (2, 34820870), (4, 17410435), (5, 13928348), (7, 9948820), (10, 6964174), (14, 4974410), (20, 3482087), (28, 2487205), (35, 1989764), (49, 1421260), (70, 994882), (98, 710630), (140, 497441), (179, 389060), (196, 355315), (245, 284252), (358, 194530), (397, 175420), (490, 142126), (716, 97265), (794, 87710), (895, 77812), (980, 71063), (1253, 55580), (1588, 43855), (1790, 38906), (1985, 35084), (2506, 27790), (2779, 25060), (3580, 19453), (3970, 17542), (5012, 13895), (5558, 12530), (6265, 11116), (7940, 8771)]