394303775375

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{19793}}^1$

素因数の和:19989

約数の個数: 64

約数和(自身を含む): 522911241216

約数和(自身を除く): 128607465841

約数列:

[1, 5, 25, 31, 53, 97, 125, 155, 265, 485, 775, 1325, 1643, 2425, 3007, 3875, 5141, 6625, 8215, 12125, 15035, 19793, 25705, 41075, 75175, 98965, 128525, 159371, 205375, 375875, 494825, 613583, 642625, 796855, 1049029, 1919921, 2474125, 3067915, 3984275, 5245145, 9599605, 15339575, 19921375, 26225725, 32519899, 47998025, 59517551, 76697875, 101755813, 131128625, 162599495, 239990125, 297587755, 508779065, 812997475, 1487938775, 2543895325, 3154430203, 4064987375, 7439693875, 12719476625, 15772151015, 78860755075, 394303775375]

約数ペア:

[(1, 394303775375), (5, 78860755075), (25, 15772151015), (31, 12719476625), (53, 7439693875), (97, 4064987375), (125, 3154430203), (155, 2543895325), (265, 1487938775), (485, 812997475), (775, 508779065), (1325, 297587755), (1643, 239990125), (2425, 162599495), (3007, 131128625), (3875, 101755813), (5141, 76697875), (6625, 59517551), (8215, 47998025), (12125, 32519899), (15035, 26225725), (19793, 19921375), (25705, 15339575), (41075, 9599605), (75175, 5245145), (98965, 3984275), (128525, 3067915), (159371, 2474125), (205375, 1919921), (375875, 1049029), (494825, 796855), (613583, 642625)]