319788964

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{1249}}^1$

素因数の和:1321

約数の個数: 54

約数和(自身を含む): 643553750

約数和(自身を除く): 323764786

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 121, 242, 253, 484, 506, 529, 1012, 1058, 1249, 2116, 2498, 2783, 4996, 5566, 5819, 11132, 11638, 13739, 23276, 27478, 28727, 54956, 57454, 64009, 114908, 128018, 151129, 256036, 302258, 315997, 604516, 631994, 660721, 1263988, 1321442, 2642884, 3475967, 6951934, 7267931, 13903868, 14535862, 29071724, 79947241, 159894482, 319788964]

約数ペア:

[(1, 319788964), (2, 159894482), (4, 79947241), (11, 29071724), (22, 14535862), (23, 13903868), (44, 7267931), (46, 6951934), (92, 3475967), (121, 2642884), (242, 1321442), (253, 1263988), (484, 660721), (506, 631994), (529, 604516), (1012, 315997), (1058, 302258), (1249, 256036), (2116, 151129), (2498, 128018), (2783, 114908), (4996, 64009), (5566, 57454), (5819, 54956), (11132, 28727), (11638, 27478), (13739, 23276)]