9873500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 144

約数和(自身を含む): 27885312

約数和(自身を除く): 18011812

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 31, 35, 49, 50, 52, 62, 65, 70, 91, 98, 100, 124, 125, 130, 140, 155, 175, 182, 196, 217, 245, 250, 260, 310, 325, 350, 364, 403, 434, 455, 490, 500, 620, 637, 650, 700, 775, 806, 868, 875, 910, 980, 1085, 1225, 1274, 1300, 1519, 1550, 1612, 1625, 1750, 1820, 2015, 2170, 2275, 2450, 2548, 2821, 3038, 3100, 3185, 3250, 3500, 3875, 4030, 4340, 4550, 4900, 5425, 5642, 6076, 6125, 6370, 6500, 7595, 7750, 8060, 9100, 10075, 10850, 11284, 11375, 12250, 12740, 14105, 15190, 15500, 15925, 19747, 20150, 21700, 22750, 24500, 27125, 28210, 30380, 31850, 37975, 39494, 40300, 45500, 50375, 54250, 56420, 63700, 70525, 75950, 78988, 79625, 98735, 100750, 108500, 141050, 151900, 159250, 189875, 197470, 201500, 282100, 318500, 352625, 379750, 394940, 493675, 705250, 759500, 987350, 1410500, 1974700, 2468375, 4936750, 9873500]

約数ペア:

[(1, 9873500), (2, 4936750), (4, 2468375), (5, 1974700), (7, 1410500), (10, 987350), (13, 759500), (14, 705250), (20, 493675), (25, 394940), (26, 379750), (28, 352625), (31, 318500), (35, 282100), (49, 201500), (50, 197470), (52, 189875), (62, 159250), (65, 151900), (70, 141050), (91, 108500), (98, 100750), (100, 98735), (124, 79625), (125, 78988), (130, 75950), (140, 70525), (155, 63700), (175, 56420), (182, 54250), (196, 50375), (217, 45500), (245, 40300), (250, 39494), (260, 37975), (310, 31850), (325, 30380), (350, 28210), (364, 27125), (403, 24500), (434, 22750), (455, 21700), (490, 20150), (500, 19747), (620, 15925), (637, 15500), (650, 15190), (700, 14105), (775, 12740), (806, 12250), (868, 11375), (875, 11284), (910, 10850), (980, 10075), (1085, 9100), (1225, 8060), (1274, 7750), (1300, 7595), (1519, 6500), (1550, 6370), (1612, 6125), (1625, 6076), (1750, 5642), (1820, 5425), (2015, 4900), (2170, 4550), (2275, 4340), (2450, 4030), (2548, 3875), (2821, 3500), (3038, 3250), (3100, 3185)]