171777200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2035

約数の個数: 120

約数和(自身を含む): 487111680

約数和(自身を除く): 315334480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 868, 1085, 1240, 1400, 1550, 1736, 1979, 2170, 2480, 2800, 3100, 3472, 3958, 4340, 5425, 6200, 7916, 8680, 9895, 10850, 12400, 13853, 15832, 17360, 19790, 21700, 27706, 31664, 39580, 43400, 49475, 55412, 61349, 69265, 79160, 86800, 98950, 110824, 122698, 138530, 158320, 197900, 221648, 245396, 277060, 306745, 346325, 395800, 429443, 490792, 554120, 613490, 692650, 791600, 858886, 981584, 1108240, 1226980, 1385300, 1533725, 1717772, 2147215, 2453960, 2770600, 3067450, 3435544, 4294430, 4907920, 5541200, 6134900, 6871088, 8588860, 10736075, 12269800, 17177720, 21472150, 24539600, 34355440, 42944300, 85888600, 171777200]

約数ペア:

[(1, 171777200), (2, 85888600), (4, 42944300), (5, 34355440), (7, 24539600), (8, 21472150), (10, 17177720), (14, 12269800), (16, 10736075), (20, 8588860), (25, 6871088), (28, 6134900), (31, 5541200), (35, 4907920), (40, 4294430), (50, 3435544), (56, 3067450), (62, 2770600), (70, 2453960), (80, 2147215), (100, 1717772), (112, 1533725), (124, 1385300), (140, 1226980), (155, 1108240), (175, 981584), (200, 858886), (217, 791600), (248, 692650), (280, 613490), (310, 554120), (350, 490792), (400, 429443), (434, 395800), (496, 346325), (560, 306745), (620, 277060), (700, 245396), (775, 221648), (868, 197900), (1085, 158320), (1240, 138530), (1400, 122698), (1550, 110824), (1736, 98950), (1979, 86800), (2170, 79160), (2480, 69265), (2800, 61349), (3100, 55412), (3472, 49475), (3958, 43400), (4340, 39580), (5425, 31664), (6200, 27706), (7916, 21700), (8680, 19790), (9895, 17360), (10850, 15832), (12400, 13853)]