99211280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{25309}}^1$

素因数の和:25336

約数の個数: 60

約数和(自身を含む): 268336620

約数和(自身を除く): 169125340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 25309, 50618, 101236, 126545, 177163, 202472, 253090, 354326, 404944, 506180, 708652, 885815, 1012360, 1240141, 1417304, 1771630, 2024720, 2480282, 2834608, 3543260, 4960564, 6200705, 7086520, 9921128, 12401410, 14173040, 19842256, 24802820, 49605640, 99211280]

約数ペア:

[(1, 99211280), (2, 49605640), (4, 24802820), (5, 19842256), (7, 14173040), (8, 12401410), (10, 9921128), (14, 7086520), (16, 6200705), (20, 4960564), (28, 3543260), (35, 2834608), (40, 2480282), (49, 2024720), (56, 1771630), (70, 1417304), (80, 1240141), (98, 1012360), (112, 885815), (140, 708652), (196, 506180), (245, 404944), (280, 354326), (392, 253090), (490, 202472), (560, 177163), (784, 126545), (980, 101236), (1960, 50618), (3920, 25309)]