651129640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{4679}}^1$

素因数の和:4775

約数の個数: 96

約数和(自身を含む): 1728604800

約数和(自身を除く): 1077475160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 98, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 568, 710, 980, 994, 1420, 1960, 1988, 2485, 2840, 3479, 3976, 4679, 4970, 6958, 9358, 9940, 13916, 17395, 18716, 19880, 23395, 27832, 32753, 34790, 37432, 46790, 65506, 69580, 93580, 131012, 139160, 163765, 187160, 229271, 262024, 327530, 332209, 458542, 655060, 664418, 917084, 1146355, 1310120, 1328836, 1661045, 1834168, 2292710, 2325463, 2657672, 3322090, 4585420, 4650926, 6644180, 9170840, 9301852, 11627315, 13288360, 16278241, 18603704, 23254630, 32556482, 46509260, 65112964, 81391205, 93018520, 130225928, 162782410, 325564820, 651129640]

約数ペア:

[(1, 651129640), (2, 325564820), (4, 162782410), (5, 130225928), (7, 93018520), (8, 81391205), (10, 65112964), (14, 46509260), (20, 32556482), (28, 23254630), (35, 18603704), (40, 16278241), (49, 13288360), (56, 11627315), (70, 9301852), (71, 9170840), (98, 6644180), (140, 4650926), (142, 4585420), (196, 3322090), (245, 2657672), (280, 2325463), (284, 2292710), (355, 1834168), (392, 1661045), (490, 1328836), (497, 1310120), (568, 1146355), (710, 917084), (980, 664418), (994, 655060), (1420, 458542), (1960, 332209), (1988, 327530), (2485, 262024), (2840, 229271), (3479, 187160), (3976, 163765), (4679, 139160), (4970, 131012), (6958, 93580), (9358, 69580), (9940, 65506), (13916, 46790), (17395, 37432), (18716, 34790), (19880, 32753), (23395, 27832)]