139968500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 144

約数和(自身を含む): 369729360

約数和(自身を除く): 229760860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 49, 50, 58, 70, 98, 100, 116, 125, 140, 145, 175, 196, 197, 203, 245, 250, 290, 350, 394, 406, 490, 500, 580, 700, 725, 788, 812, 875, 980, 985, 1015, 1225, 1379, 1421, 1450, 1750, 1970, 2030, 2450, 2758, 2842, 2900, 3500, 3625, 3940, 4060, 4900, 4925, 5075, 5516, 5684, 5713, 6125, 6895, 7105, 7250, 9653, 9850, 10150, 11426, 12250, 13790, 14210, 14500, 19306, 19700, 20300, 22852, 24500, 24625, 25375, 27580, 28420, 28565, 34475, 35525, 38612, 39991, 48265, 49250, 50750, 57130, 68950, 71050, 79982, 96530, 98500, 101500, 114260, 137900, 142100, 142825, 159964, 172375, 177625, 193060, 199955, 241325, 279937, 285650, 344750, 355250, 399910, 482650, 559874, 571300, 689500, 710500, 714125, 799820, 965300, 999775, 1119748, 1206625, 1399685, 1428250, 1999550, 2413250, 2799370, 2856500, 3999100, 4826500, 4998875, 5598740, 6998425, 9997750, 13996850, 19995500, 27993700, 34992125, 69984250, 139968500]

約数ペア:

[(1, 139968500), (2, 69984250), (4, 34992125), (5, 27993700), (7, 19995500), (10, 13996850), (14, 9997750), (20, 6998425), (25, 5598740), (28, 4998875), (29, 4826500), (35, 3999100), (49, 2856500), (50, 2799370), (58, 2413250), (70, 1999550), (98, 1428250), (100, 1399685), (116, 1206625), (125, 1119748), (140, 999775), (145, 965300), (175, 799820), (196, 714125), (197, 710500), (203, 689500), (245, 571300), (250, 559874), (290, 482650), (350, 399910), (394, 355250), (406, 344750), (490, 285650), (500, 279937), (580, 241325), (700, 199955), (725, 193060), (788, 177625), (812, 172375), (875, 159964), (980, 142825), (985, 142100), (1015, 137900), (1225, 114260), (1379, 101500), (1421, 98500), (1450, 96530), (1750, 79982), (1970, 71050), (2030, 68950), (2450, 57130), (2758, 50750), (2842, 49250), (2900, 48265), (3500, 39991), (3625, 38612), (3940, 35525), (4060, 34475), (4900, 28565), (4925, 28420), (5075, 27580), (5516, 25375), (5684, 24625), (5713, 24500), (6125, 22852), (6895, 20300), (7105, 19700), (7250, 19306), (9653, 14500), (9850, 14210), (10150, 13790), (11426, 12250)]