2953641580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 6632640000

約数和(自身を除く): 3678998420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 199, 278, 281, 380, 398, 556, 562, 695, 796, 995, 1124, 1390, 1405, 1990, 2641, 2780, 2810, 3781, 3980, 5282, 5339, 5620, 7562, 10564, 10678, 13205, 15124, 18905, 21356, 26410, 26695, 27661, 37810, 39059, 52820, 53390, 55322, 55919, 75620, 78118, 106780, 110644, 111838, 138305, 156236, 195295, 223676, 276610, 279595, 390590, 525559, 553220, 559190, 742121, 781180, 1051118, 1062461, 1118380, 1484242, 2102236, 2124922, 2627795, 2968484, 3710605, 4249844, 5255590, 5312305, 7421210, 7772741, 10511180, 10624610, 14842420, 15545482, 21249220, 31090964, 38863705, 77727410, 147682079, 155454820, 295364158, 590728316, 738410395, 1476820790, 2953641580]

約数ペア:

[(1, 2953641580), (2, 1476820790), (4, 738410395), (5, 590728316), (10, 295364158), (19, 155454820), (20, 147682079), (38, 77727410), (76, 38863705), (95, 31090964), (139, 21249220), (190, 15545482), (199, 14842420), (278, 10624610), (281, 10511180), (380, 7772741), (398, 7421210), (556, 5312305), (562, 5255590), (695, 4249844), (796, 3710605), (995, 2968484), (1124, 2627795), (1390, 2124922), (1405, 2102236), (1990, 1484242), (2641, 1118380), (2780, 1062461), (2810, 1051118), (3781, 781180), (3980, 742121), (5282, 559190), (5339, 553220), (5620, 525559), (7562, 390590), (10564, 279595), (10678, 276610), (13205, 223676), (15124, 195295), (18905, 156236), (21356, 138305), (26410, 111838), (26695, 110644), (27661, 106780), (37810, 78118), (39059, 75620), (52820, 55919), (53390, 55322)]