51915500

素因数分解:

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

素因数の和:209

約数の個数: 144

約数和(自身を含む): 142912224

約数和(自身を除く): 90996724

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 125, 130, 140, 163, 175, 182, 196, 245, 250, 260, 325, 326, 350, 364, 455, 490, 500, 637, 650, 652, 700, 815, 875, 910, 980, 1141, 1225, 1274, 1300, 1625, 1630, 1750, 1820, 2119, 2275, 2282, 2450, 2548, 3185, 3250, 3260, 3500, 4075, 4238, 4550, 4564, 4900, 5705, 6125, 6370, 6500, 7987, 8150, 8476, 9100, 10595, 11375, 11410, 12250, 12740, 14833, 15925, 15974, 16300, 20375, 21190, 22750, 22820, 24500, 28525, 29666, 31850, 31948, 39935, 40750, 42380, 45500, 52975, 57050, 59332, 63700, 74165, 79625, 79870, 81500, 103831, 105950, 114100, 142625, 148330, 159250, 159740, 199675, 207662, 211900, 264875, 285250, 296660, 318500, 370825, 399350, 415324, 519155, 529750, 570500, 741650, 798700, 998375, 1038310, 1059500, 1483300, 1854125, 1996750, 2076620, 2595775, 3708250, 3993500, 5191550, 7416500, 10383100, 12978875, 25957750, 51915500]

約数ペア:

[(1, 51915500), (2, 25957750), (4, 12978875), (5, 10383100), (7, 7416500), (10, 5191550), (13, 3993500), (14, 3708250), (20, 2595775), (25, 2076620), (26, 1996750), (28, 1854125), (35, 1483300), (49, 1059500), (50, 1038310), (52, 998375), (65, 798700), (70, 741650), (91, 570500), (98, 529750), (100, 519155), (125, 415324), (130, 399350), (140, 370825), (163, 318500), (175, 296660), (182, 285250), (196, 264875), (245, 211900), (250, 207662), (260, 199675), (325, 159740), (326, 159250), (350, 148330), (364, 142625), (455, 114100), (490, 105950), (500, 103831), (637, 81500), (650, 79870), (652, 79625), (700, 74165), (815, 63700), (875, 59332), (910, 57050), (980, 52975), (1141, 45500), (1225, 42380), (1274, 40750), (1300, 39935), (1625, 31948), (1630, 31850), (1750, 29666), (1820, 28525), (2119, 24500), (2275, 22820), (2282, 22750), (2450, 21190), (2548, 20375), (3185, 16300), (3250, 15974), (3260, 15925), (3500, 14833), (4075, 12740), (4238, 12250), (4550, 11410), (4564, 11375), (4900, 10595), (5705, 9100), (6125, 8476), (6370, 8150), (6500, 7987)]