997519250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 2320980480

約数和(自身を除く): 1323461230

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 163, 175, 182, 250, 269, 325, 326, 350, 455, 538, 650, 815, 875, 910, 1141, 1345, 1625, 1630, 1750, 1883, 2119, 2275, 2282, 2690, 3250, 3497, 3766, 4075, 4238, 4550, 5705, 6725, 6994, 8150, 9415, 10595, 11375, 11410, 13450, 14833, 17485, 18830, 20375, 21190, 22750, 24479, 28525, 29666, 33625, 34970, 40750, 43847, 47075, 48958, 52975, 57050, 67250, 74165, 87425, 87694, 94150, 105950, 122395, 142625, 148330, 174850, 219235, 235375, 244790, 264875, 285250, 306929, 370825, 437125, 438470, 470750, 529750, 570011, 611975, 613858, 741650, 874250, 1096175, 1140022, 1223950, 1534645, 1854125, 2192350, 2850055, 3059875, 3069290, 3708250, 3990077, 5480875, 5700110, 6119750, 7673225, 7980154, 10961750, 14250275, 15346450, 19950385, 28500550, 38366125, 39900770, 71251375, 76732250, 99751925, 142502750, 199503850, 498759625, 997519250]

約数ペア:

[(1, 997519250), (2, 498759625), (5, 199503850), (7, 142502750), (10, 99751925), (13, 76732250), (14, 71251375), (25, 39900770), (26, 38366125), (35, 28500550), (50, 19950385), (65, 15346450), (70, 14250275), (91, 10961750), (125, 7980154), (130, 7673225), (163, 6119750), (175, 5700110), (182, 5480875), (250, 3990077), (269, 3708250), (325, 3069290), (326, 3059875), (350, 2850055), (455, 2192350), (538, 1854125), (650, 1534645), (815, 1223950), (875, 1140022), (910, 1096175), (1141, 874250), (1345, 741650), (1625, 613858), (1630, 611975), (1750, 570011), (1883, 529750), (2119, 470750), (2275, 438470), (2282, 437125), (2690, 370825), (3250, 306929), (3497, 285250), (3766, 264875), (4075, 244790), (4238, 235375), (4550, 219235), (5705, 174850), (6725, 148330), (6994, 142625), (8150, 122395), (9415, 105950), (10595, 94150), (11375, 87694), (11410, 87425), (13450, 74165), (14833, 67250), (17485, 57050), (18830, 52975), (20375, 48958), (21190, 47075), (22750, 43847), (24479, 40750), (28525, 34970), (29666, 33625)]