289315850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{13241}}^1$

素因数の和:13295

約数の個数: 48

約数和(自身を含む): 591122880

約数和(自身を除く): 301807030

約数列:

[1, 2, 5, 10, 19, 23, 25, 38, 46, 50, 95, 115, 190, 230, 437, 475, 575, 874, 950, 1150, 2185, 4370, 10925, 13241, 21850, 26482, 66205, 132410, 251579, 304543, 331025, 503158, 609086, 662050, 1257895, 1522715, 2515790, 3045430, 5786317, 6289475, 7613575, 11572634, 12578950, 15227150, 28931585, 57863170, 144657925, 289315850]

約数ペア:

[(1, 289315850), (2, 144657925), (5, 57863170), (10, 28931585), (19, 15227150), (23, 12578950), (25, 11572634), (38, 7613575), (46, 6289475), (50, 5786317), (95, 3045430), (115, 2515790), (190, 1522715), (230, 1257895), (437, 662050), (475, 609086), (575, 503158), (874, 331025), (950, 304543), (1150, 251579), (2185, 132410), (4370, 66205), (10925, 26482), (13241, 21850)]