2020590950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{28439}}^1$

素因数の和:28494

約数の個数: 72

約数和(自身を含む): 4522813200

約数和(自身を除く): 2502222250

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 49, 50, 58, 70, 98, 145, 175, 203, 245, 290, 350, 406, 490, 725, 1015, 1225, 1421, 1450, 2030, 2450, 2842, 5075, 7105, 10150, 14210, 28439, 35525, 56878, 71050, 142195, 199073, 284390, 398146, 710975, 824731, 995365, 1393511, 1421950, 1649462, 1990730, 2787022, 4123655, 4976825, 5773117, 6967555, 8247310, 9953650, 11546234, 13935110, 20618275, 28865585, 34837775, 40411819, 41236550, 57731170, 69675550, 80823638, 144327925, 202059095, 288655850, 404118190, 1010295475, 2020590950]

約数ペア:

[(1, 2020590950), (2, 1010295475), (5, 404118190), (7, 288655850), (10, 202059095), (14, 144327925), (25, 80823638), (29, 69675550), (35, 57731170), (49, 41236550), (50, 40411819), (58, 34837775), (70, 28865585), (98, 20618275), (145, 13935110), (175, 11546234), (203, 9953650), (245, 8247310), (290, 6967555), (350, 5773117), (406, 4976825), (490, 4123655), (725, 2787022), (1015, 1990730), (1225, 1649462), (1421, 1421950), (1450, 1393511), (2030, 995365), (2450, 824731), (2842, 710975), (5075, 398146), (7105, 284390), (10150, 199073), (14210, 142195), (28439, 71050), (35525, 56878)]