204903804920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1\times {\mathrm{156707}}^1$

素因数の和:157152

約数の個数: 64

約数和(自身を含む): 467171621280

約数和(自身を除く): 262267816360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 337, 388, 485, 674, 776, 970, 1348, 1685, 1940, 2696, 3370, 3880, 6740, 13480, 32689, 65378, 130756, 156707, 163445, 261512, 313414, 326890, 626828, 653780, 783535, 1253656, 1307560, 1567070, 3134140, 6268280, 15200579, 30401158, 52810259, 60802316, 76002895, 105620518, 121604632, 152005790, 211241036, 264051295, 304011580, 422482072, 528102590, 608023160, 1056205180, 2112410360, 5122595123, 10245190246, 20490380492, 25612975615, 40980760984, 51225951230, 102451902460, 204903804920]

約数ペア:

[(1, 204903804920), (2, 102451902460), (4, 51225951230), (5, 40980760984), (8, 25612975615), (10, 20490380492), (20, 10245190246), (40, 5122595123), (97, 2112410360), (194, 1056205180), (337, 608023160), (388, 528102590), (485, 422482072), (674, 304011580), (776, 264051295), (970, 211241036), (1348, 152005790), (1685, 121604632), (1940, 105620518), (2696, 76002895), (3370, 60802316), (3880, 52810259), (6740, 30401158), (13480, 15200579), (32689, 6268280), (65378, 3134140), (130756, 1567070), (156707, 1307560), (163445, 1253656), (261512, 783535), (313414, 653780), (326890, 626828)]