9009140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 22838760

約数和(自身を除く): 13829620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 317, 406, 490, 580, 634, 812, 980, 1015, 1268, 1421, 1585, 2030, 2219, 2842, 3170, 4060, 4438, 5684, 6340, 7105, 8876, 9193, 11095, 14210, 15533, 18386, 22190, 28420, 31066, 36772, 44380, 45965, 62132, 64351, 77665, 91930, 128702, 155330, 183860, 257404, 310660, 321755, 450457, 643510, 900914, 1287020, 1801828, 2252285, 4504570, 9009140]

約数ペア:

[(1, 9009140), (2, 4504570), (4, 2252285), (5, 1801828), (7, 1287020), (10, 900914), (14, 643510), (20, 450457), (28, 321755), (29, 310660), (35, 257404), (49, 183860), (58, 155330), (70, 128702), (98, 91930), (116, 77665), (140, 64351), (145, 62132), (196, 45965), (203, 44380), (245, 36772), (290, 31066), (317, 28420), (406, 22190), (490, 18386), (580, 15533), (634, 14210), (812, 11095), (980, 9193), (1015, 8876), (1268, 7105), (1421, 6340), (1585, 5684), (2030, 4438), (2219, 4060), (2842, 3170)]