25191427390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{863}}^1$

素因数の和:1138

約数の個数: 128

約数和(自身を含む): 51597803520

約数和(自身を除く): 26406376130

約数列:

[1, 2, 5, 10, 17, 29, 31, 34, 58, 62, 85, 145, 155, 170, 191, 290, 310, 382, 493, 527, 863, 899, 955, 986, 1054, 1726, 1798, 1910, 2465, 2635, 3247, 4315, 4495, 4930, 5270, 5539, 5921, 6494, 8630, 8990, 11078, 11842, 14671, 15283, 16235, 25027, 26753, 27695, 29342, 29605, 30566, 32470, 50054, 53506, 55390, 59210, 73355, 76415, 94163, 100657, 125135, 133765, 146710, 152830, 164833, 171709, 188326, 201314, 250270, 267530, 329666, 343418, 425459, 454801, 470815, 503285, 775837, 824165, 850918, 858545, 909602, 941630, 1006570, 1551674, 1648330, 1717090, 2127295, 2274005, 2802161, 2919053, 3879185, 4254590, 4548010, 4780157, 5109823, 5604322, 5838106, 7758370, 9560314, 10219646, 13189229, 14010805, 14595265, 23900785, 25549115, 26378458, 28021610, 29190530, 47801570, 51098230, 65946145, 81262669, 86866991, 131892290, 148184867, 162525338, 173733982, 296369734, 406313345, 434334955, 740924335, 812626690, 868669910, 1481848670, 2519142739, 5038285478, 12595713695, 25191427390]

約数ペア:

[(1, 25191427390), (2, 12595713695), (5, 5038285478), (10, 2519142739), (17, 1481848670), (29, 868669910), (31, 812626690), (34, 740924335), (58, 434334955), (62, 406313345), (85, 296369734), (145, 173733982), (155, 162525338), (170, 148184867), (191, 131892290), (290, 86866991), (310, 81262669), (382, 65946145), (493, 51098230), (527, 47801570), (863, 29190530), (899, 28021610), (955, 26378458), (986, 25549115), (1054, 23900785), (1726, 14595265), (1798, 14010805), (1910, 13189229), (2465, 10219646), (2635, 9560314), (3247, 7758370), (4315, 5838106), (4495, 5604322), (4930, 5109823), (5270, 4780157), (5539, 4548010), (5921, 4254590), (6494, 3879185), (8630, 2919053), (8990, 2802161), (11078, 2274005), (11842, 2127295), (14671, 1717090), (15283, 1648330), (16235, 1551674), (25027, 1006570), (26753, 941630), (27695, 909602), (29342, 858545), (29605, 850918), (30566, 824165), (32470, 775837), (50054, 503285), (53506, 470815), (55390, 454801), (59210, 425459), (73355, 343418), (76415, 329666), (94163, 267530), (100657, 250270), (125135, 201314), (133765, 188326), (146710, 171709), (152830, 164833)]