90262732

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1249}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 189000000

約数和(自身を除く): 98737268

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 89, 116, 178, 203, 356, 406, 623, 812, 1246, 1249, 2492, 2498, 2581, 4996, 5162, 8743, 10324, 17486, 18067, 34972, 36134, 36221, 72268, 72442, 111161, 144884, 222322, 253547, 444644, 507094, 778127, 1014188, 1556254, 3112508, 3223669, 6447338, 12894676, 22565683, 45131366, 90262732]

約数ペア:

[(1, 90262732), (2, 45131366), (4, 22565683), (7, 12894676), (14, 6447338), (28, 3223669), (29, 3112508), (58, 1556254), (89, 1014188), (116, 778127), (178, 507094), (203, 444644), (356, 253547), (406, 222322), (623, 144884), (812, 111161), (1246, 72442), (1249, 72268), (2492, 36221), (2498, 36134), (2581, 34972), (4996, 18067), (5162, 17486), (8743, 10324)]