2566757375

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:346

約数の個数: 128

約数和(自身を含む): 4226826240

約数和(自身を除く): 1660068865

約数列:

[1, 5, 7, 13, 25, 29, 31, 35, 65, 91, 125, 145, 155, 175, 203, 217, 251, 325, 377, 403, 455, 725, 775, 875, 899, 1015, 1085, 1255, 1625, 1757, 1885, 2015, 2275, 2639, 2821, 3263, 3625, 3875, 4495, 5075, 5425, 6275, 6293, 7279, 7781, 8785, 9425, 10075, 11375, 11687, 13195, 14105, 16315, 22475, 22841, 25375, 27125, 31375, 31465, 36395, 38905, 43925, 47125, 50375, 50953, 54467, 58435, 65975, 70525, 81575, 81809, 94627, 101153, 112375, 114205, 157325, 181975, 194525, 219625, 225649, 254765, 272335, 292175, 329875, 352625, 407875, 409045, 473135, 505765, 571025, 662389, 708071, 786625, 909875, 972625, 1128245, 1273825, 1361675, 1460875, 1579543, 2045225, 2365675, 2528825, 2855125, 2933437, 3311945, 3540355, 5641225, 6369125, 6808375, 7897715, 10226125, 11828375, 12644125, 14667185, 16559725, 17701775, 20534059, 28206125, 39488575, 73335925, 82798625, 88508875, 102670295, 197442875, 366679625, 513351475, 2566757375]

約数ペア:

[(1, 2566757375), (5, 513351475), (7, 366679625), (13, 197442875), (25, 102670295), (29, 88508875), (31, 82798625), (35, 73335925), (65, 39488575), (91, 28206125), (125, 20534059), (145, 17701775), (155, 16559725), (175, 14667185), (203, 12644125), (217, 11828375), (251, 10226125), (325, 7897715), (377, 6808375), (403, 6369125), (455, 5641225), (725, 3540355), (775, 3311945), (875, 2933437), (899, 2855125), (1015, 2528825), (1085, 2365675), (1255, 2045225), (1625, 1579543), (1757, 1460875), (1885, 1361675), (2015, 1273825), (2275, 1128245), (2639, 972625), (2821, 909875), (3263, 786625), (3625, 708071), (3875, 662389), (4495, 571025), (5075, 505765), (5425, 473135), (6275, 409045), (6293, 407875), (7279, 352625), (7781, 329875), (8785, 292175), (9425, 272335), (10075, 254765), (11375, 225649), (11687, 219625), (13195, 194525), (14105, 181975), (16315, 157325), (22475, 114205), (22841, 112375), (25375, 101153), (27125, 94627), (31375, 81809), (31465, 81575), (36395, 70525), (38905, 65975), (43925, 58435), (47125, 54467), (50375, 50953)]