28101500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 144

約数和(自身を含む): 75688704

約数和(自身を除く): 47587204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 37, 49, 50, 62, 70, 74, 98, 100, 124, 125, 140, 148, 155, 175, 185, 196, 217, 245, 250, 259, 310, 350, 370, 434, 490, 500, 518, 620, 700, 740, 775, 868, 875, 925, 980, 1036, 1085, 1147, 1225, 1295, 1519, 1550, 1750, 1813, 1850, 2170, 2294, 2450, 2590, 3038, 3100, 3500, 3626, 3700, 3875, 4340, 4588, 4625, 4900, 5180, 5425, 5735, 6076, 6125, 6475, 7252, 7595, 7750, 8029, 9065, 9250, 10850, 11470, 12250, 12950, 15190, 15500, 16058, 18130, 18500, 21700, 22940, 24500, 25900, 27125, 28675, 30380, 32116, 32375, 36260, 37975, 40145, 45325, 54250, 56203, 57350, 64750, 75950, 80290, 90650, 108500, 112406, 114700, 129500, 143375, 151900, 160580, 181300, 189875, 200725, 224812, 226625, 281015, 286750, 379750, 401450, 453250, 562030, 573500, 759500, 802900, 906500, 1003625, 1124060, 1405075, 2007250, 2810150, 4014500, 5620300, 7025375, 14050750, 28101500]

約数ペア:

[(1, 28101500), (2, 14050750), (4, 7025375), (5, 5620300), (7, 4014500), (10, 2810150), (14, 2007250), (20, 1405075), (25, 1124060), (28, 1003625), (31, 906500), (35, 802900), (37, 759500), (49, 573500), (50, 562030), (62, 453250), (70, 401450), (74, 379750), (98, 286750), (100, 281015), (124, 226625), (125, 224812), (140, 200725), (148, 189875), (155, 181300), (175, 160580), (185, 151900), (196, 143375), (217, 129500), (245, 114700), (250, 112406), (259, 108500), (310, 90650), (350, 80290), (370, 75950), (434, 64750), (490, 57350), (500, 56203), (518, 54250), (620, 45325), (700, 40145), (740, 37975), (775, 36260), (868, 32375), (875, 32116), (925, 30380), (980, 28675), (1036, 27125), (1085, 25900), (1147, 24500), (1225, 22940), (1295, 21700), (1519, 18500), (1550, 18130), (1750, 16058), (1813, 15500), (1850, 15190), (2170, 12950), (2294, 12250), (2450, 11470), (2590, 10850), (3038, 9250), (3100, 9065), (3500, 8029), (3626, 7750), (3700, 7595), (3875, 7252), (4340, 6475), (4588, 6125), (4625, 6076), (4900, 5735), (5180, 5425)]