28005950

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 64281600

約数和(自身を除く): 36275650

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 49, 50, 70, 71, 98, 115, 142, 161, 175, 230, 245, 322, 343, 350, 355, 490, 497, 575, 686, 710, 805, 994, 1127, 1150, 1225, 1610, 1633, 1715, 1775, 2254, 2450, 2485, 3266, 3430, 3479, 3550, 4025, 4970, 5635, 6958, 7889, 8050, 8165, 8575, 11270, 11431, 12425, 15778, 16330, 17150, 17395, 22862, 24353, 24850, 28175, 34790, 39445, 40825, 48706, 56350, 57155, 78890, 80017, 81650, 86975, 114310, 121765, 160034, 173950, 197225, 243530, 285775, 394450, 400085, 560119, 571550, 608825, 800170, 1120238, 1217650, 2000425, 2800595, 4000850, 5601190, 14002975, 28005950]

約数ペア:

[(1, 28005950), (2, 14002975), (5, 5601190), (7, 4000850), (10, 2800595), (14, 2000425), (23, 1217650), (25, 1120238), (35, 800170), (46, 608825), (49, 571550), (50, 560119), (70, 400085), (71, 394450), (98, 285775), (115, 243530), (142, 197225), (161, 173950), (175, 160034), (230, 121765), (245, 114310), (322, 86975), (343, 81650), (350, 80017), (355, 78890), (490, 57155), (497, 56350), (575, 48706), (686, 40825), (710, 39445), (805, 34790), (994, 28175), (1127, 24850), (1150, 24353), (1225, 22862), (1610, 17395), (1633, 17150), (1715, 16330), (1775, 15778), (2254, 12425), (2450, 11431), (2485, 11270), (3266, 8575), (3430, 8165), (3479, 8050), (3550, 7889), (4025, 6958), (4970, 5635)]