149621500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 394377984

約数和(自身を除く): 244756484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 49, 50, 62, 70, 98, 100, 124, 125, 140, 155, 175, 196, 197, 217, 245, 250, 310, 350, 394, 434, 490, 500, 620, 700, 775, 788, 868, 875, 980, 985, 1085, 1225, 1379, 1519, 1550, 1750, 1970, 2170, 2450, 2758, 3038, 3100, 3500, 3875, 3940, 4340, 4900, 4925, 5425, 5516, 6076, 6107, 6125, 6895, 7595, 7750, 9653, 9850, 10850, 12214, 12250, 13790, 15190, 15500, 19306, 19700, 21700, 24428, 24500, 24625, 27125, 27580, 30380, 30535, 34475, 37975, 38612, 42749, 48265, 49250, 54250, 61070, 68950, 75950, 85498, 96530, 98500, 108500, 122140, 137900, 151900, 152675, 170996, 172375, 189875, 193060, 213745, 241325, 299243, 305350, 344750, 379750, 427490, 482650, 598486, 610700, 689500, 759500, 763375, 854980, 965300, 1068725, 1196972, 1206625, 1496215, 1526750, 2137450, 2413250, 2992430, 3053500, 4274900, 4826500, 5343625, 5984860, 7481075, 10687250, 14962150, 21374500, 29924300, 37405375, 74810750, 149621500]

約数ペア:

[(1, 149621500), (2, 74810750), (4, 37405375), (5, 29924300), (7, 21374500), (10, 14962150), (14, 10687250), (20, 7481075), (25, 5984860), (28, 5343625), (31, 4826500), (35, 4274900), (49, 3053500), (50, 2992430), (62, 2413250), (70, 2137450), (98, 1526750), (100, 1496215), (124, 1206625), (125, 1196972), (140, 1068725), (155, 965300), (175, 854980), (196, 763375), (197, 759500), (217, 689500), (245, 610700), (250, 598486), (310, 482650), (350, 427490), (394, 379750), (434, 344750), (490, 305350), (500, 299243), (620, 241325), (700, 213745), (775, 193060), (788, 189875), (868, 172375), (875, 170996), (980, 152675), (985, 151900), (1085, 137900), (1225, 122140), (1379, 108500), (1519, 98500), (1550, 96530), (1750, 85498), (1970, 75950), (2170, 68950), (2450, 61070), (2758, 54250), (3038, 49250), (3100, 48265), (3500, 42749), (3875, 38612), (3940, 37975), (4340, 34475), (4900, 30535), (4925, 30380), (5425, 27580), (5516, 27125), (6076, 24625), (6107, 24500), (6125, 24428), (6895, 21700), (7595, 19700), (7750, 19306), (9653, 15500), (9850, 15190), (10850, 13790), (12214, 12250)]