199965500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 192

約数和(自身を含む): 547921920

約数和(自身を除く): 347956420

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 31, 35, 38, 50, 62, 70, 76, 95, 97, 100, 124, 125, 133, 140, 155, 175, 190, 194, 217, 250, 266, 310, 350, 380, 388, 434, 475, 485, 500, 532, 589, 620, 665, 679, 700, 775, 868, 875, 950, 970, 1085, 1178, 1330, 1358, 1550, 1750, 1843, 1900, 1940, 2170, 2356, 2375, 2425, 2660, 2716, 2945, 3007, 3100, 3325, 3395, 3500, 3686, 3875, 4123, 4340, 4750, 4850, 5425, 5890, 6014, 6650, 6790, 7372, 7750, 8246, 9215, 9500, 9700, 10850, 11780, 12028, 12125, 12901, 13300, 13580, 14725, 15035, 15500, 16492, 16625, 16975, 18430, 20615, 21049, 21700, 24250, 25802, 27125, 29450, 30070, 33250, 33950, 36860, 41230, 42098, 46075, 48500, 51604, 54250, 57133, 58900, 60140, 64505, 66500, 67900, 73625, 75175, 82460, 84196, 84875, 92150, 103075, 105245, 108500, 114266, 129010, 147250, 150350, 169750, 184300, 206150, 210490, 228532, 230375, 258020, 285665, 294500, 300700, 322525, 339500, 375875, 399931, 412300, 420980, 460750, 515375, 526225, 571330, 645050, 751750, 799862, 921500, 1030750, 1052450, 1142660, 1290100, 1428325, 1503500, 1599724, 1612625, 1999655, 2061500, 2104900, 2631125, 2856650, 3225250, 3999310, 5262250, 5713300, 6450500, 7141625, 7998620, 9998275, 10524500, 14283250, 19996550, 28566500, 39993100, 49991375, 99982750, 199965500]

約数ペア:

[(1, 199965500), (2, 99982750), (4, 49991375), (5, 39993100), (7, 28566500), (10, 19996550), (14, 14283250), (19, 10524500), (20, 9998275), (25, 7998620), (28, 7141625), (31, 6450500), (35, 5713300), (38, 5262250), (50, 3999310), (62, 3225250), (70, 2856650), (76, 2631125), (95, 2104900), (97, 2061500), (100, 1999655), (124, 1612625), (125, 1599724), (133, 1503500), (140, 1428325), (155, 1290100), (175, 1142660), (190, 1052450), (194, 1030750), (217, 921500), (250, 799862), (266, 751750), (310, 645050), (350, 571330), (380, 526225), (388, 515375), (434, 460750), (475, 420980), (485, 412300), (500, 399931), (532, 375875), (589, 339500), (620, 322525), (665, 300700), (679, 294500), (700, 285665), (775, 258020), (868, 230375), (875, 228532), (950, 210490), (970, 206150), (1085, 184300), (1178, 169750), (1330, 150350), (1358, 147250), (1550, 129010), (1750, 114266), (1843, 108500), (1900, 105245), (1940, 103075), (2170, 92150), (2356, 84875), (2375, 84196), (2425, 82460), (2660, 75175), (2716, 73625), (2945, 67900), (3007, 66500), (3100, 64505), (3325, 60140), (3395, 58900), (3500, 57133), (3686, 54250), (3875, 51604), (4123, 48500), (4340, 46075), (4750, 42098), (4850, 41230), (5425, 36860), (5890, 33950), (6014, 33250), (6650, 30070), (6790, 29450), (7372, 27125), (7750, 25802), (8246, 24250), (9215, 21700), (9500, 21049), (9700, 20615), (10850, 18430), (11780, 16975), (12028, 16625), (12125, 16492), (12901, 15500), (13300, 15035), (13580, 14725)]