199795000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1346

約数の個数: 80

約数和(自身を含む): 483595200

約数和(自身を除く): 283800200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 625, 775, 1000, 1240, 1250, 1289, 1550, 2500, 2578, 3100, 3875, 5000, 5156, 6200, 6445, 7750, 10312, 12890, 15500, 19375, 25780, 31000, 32225, 38750, 39959, 51560, 64450, 77500, 79918, 128900, 155000, 159836, 161125, 199795, 257800, 319672, 322250, 399590, 644500, 799180, 805625, 998975, 1289000, 1598360, 1611250, 1997950, 3222500, 3995900, 4994875, 6445000, 7991800, 9989750, 19979500, 24974375, 39959000, 49948750, 99897500, 199795000]

約数ペア:

[(1, 199795000), (2, 99897500), (4, 49948750), (5, 39959000), (8, 24974375), (10, 19979500), (20, 9989750), (25, 7991800), (31, 6445000), (40, 4994875), (50, 3995900), (62, 3222500), (100, 1997950), (124, 1611250), (125, 1598360), (155, 1289000), (200, 998975), (248, 805625), (250, 799180), (310, 644500), (500, 399590), (620, 322250), (625, 319672), (775, 257800), (1000, 199795), (1240, 161125), (1250, 159836), (1289, 155000), (1550, 128900), (2500, 79918), (2578, 77500), (3100, 64450), (3875, 51560), (5000, 39959), (5156, 38750), (6200, 32225), (6445, 31000), (7750, 25780), (10312, 19375), (12890, 15500)]