256779200

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^2\times {\mathrm{167}}^1$

素因数の和:251

約数の個数: 126

約数和(自身を含む): 656786088

約数和(自身を除く): 400006888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 167, 200, 248, 310, 320, 334, 400, 496, 620, 668, 775, 800, 835, 961, 992, 1240, 1336, 1550, 1600, 1670, 1922, 1984, 2480, 2672, 3100, 3340, 3844, 4175, 4805, 4960, 5177, 5344, 6200, 6680, 7688, 8350, 9610, 9920, 10354, 10688, 12400, 13360, 15376, 16700, 19220, 20708, 24025, 24800, 25885, 26720, 30752, 33400, 38440, 41416, 48050, 49600, 51770, 53440, 61504, 66800, 76880, 82832, 96100, 103540, 129425, 133600, 153760, 160487, 165664, 192200, 207080, 258850, 267200, 307520, 320974, 331328, 384400, 414160, 517700, 641948, 768800, 802435, 828320, 1035400, 1283896, 1537600, 1604870, 1656640, 2070800, 2567792, 3209740, 4012175, 4141600, 5135584, 6419480, 8024350, 8283200, 10271168, 12838960, 16048700, 25677920, 32097400, 51355840, 64194800, 128389600, 256779200]

約数ペア:

[(1, 256779200), (2, 128389600), (4, 64194800), (5, 51355840), (8, 32097400), (10, 25677920), (16, 16048700), (20, 12838960), (25, 10271168), (31, 8283200), (32, 8024350), (40, 6419480), (50, 5135584), (62, 4141600), (64, 4012175), (80, 3209740), (100, 2567792), (124, 2070800), (155, 1656640), (160, 1604870), (167, 1537600), (200, 1283896), (248, 1035400), (310, 828320), (320, 802435), (334, 768800), (400, 641948), (496, 517700), (620, 414160), (668, 384400), (775, 331328), (800, 320974), (835, 307520), (961, 267200), (992, 258850), (1240, 207080), (1336, 192200), (1550, 165664), (1600, 160487), (1670, 153760), (1922, 133600), (1984, 129425), (2480, 103540), (2672, 96100), (3100, 82832), (3340, 76880), (3844, 66800), (4175, 61504), (4805, 53440), (4960, 51770), (5177, 49600), (5344, 48050), (6200, 41416), (6680, 38440), (7688, 33400), (8350, 30752), (9610, 26720), (9920, 25885), (10354, 24800), (10688, 24025), (12400, 20708), (13360, 19220), (15376, 16700)]