1688897980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2156

約数の個数: 192

約数和(自身を含む): 4835303424

約数和(自身を除く): 3146405444

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 31, 34, 35, 44, 55, 62, 68, 70, 77, 85, 110, 119, 124, 140, 154, 155, 170, 187, 217, 220, 238, 308, 310, 340, 341, 374, 385, 434, 476, 527, 595, 620, 682, 748, 770, 868, 935, 1054, 1085, 1190, 1309, 1364, 1540, 1705, 1870, 2081, 2108, 2170, 2380, 2387, 2618, 2635, 3410, 3689, 3740, 4162, 4340, 4774, 5236, 5270, 5797, 6545, 6820, 7378, 8324, 9548, 10405, 10540, 11594, 11935, 13090, 14567, 14756, 18445, 20810, 22891, 23188, 23870, 26180, 28985, 29134, 35377, 36890, 40579, 41620, 45782, 47740, 57970, 58268, 64511, 70754, 72835, 73780, 81158, 91564, 114455, 115940, 129022, 141508, 145670, 160237, 162316, 176885, 202895, 228910, 247639, 258044, 291340, 320474, 322555, 353770, 389147, 405790, 451577, 457820, 495278, 640948, 645110, 707540, 709621, 778294, 801185, 811580, 903154, 990556, 1096687, 1238195, 1290220, 1419242, 1556588, 1602370, 1806308, 1945735, 2193374, 2257885, 2476390, 2724029, 2838484, 3204740, 3548105, 3891470, 4386748, 4515770, 4952780, 4967347, 5448058, 5483435, 7096210, 7676809, 7782940, 9031540, 9934694, 10896116, 10966870, 12063557, 13620145, 14192420, 15353618, 19869388, 21933740, 24127114, 24836735, 27240290, 30707236, 38384045, 48254228, 49673470, 54480580, 60317785, 76768090, 84444899, 99346940, 120635570, 153536180, 168889798, 241271140, 337779596, 422224495, 844448990, 1688897980]

約数ペア:

[(1, 1688897980), (2, 844448990), (4, 422224495), (5, 337779596), (7, 241271140), (10, 168889798), (11, 153536180), (14, 120635570), (17, 99346940), (20, 84444899), (22, 76768090), (28, 60317785), (31, 54480580), (34, 49673470), (35, 48254228), (44, 38384045), (55, 30707236), (62, 27240290), (68, 24836735), (70, 24127114), (77, 21933740), (85, 19869388), (110, 15353618), (119, 14192420), (124, 13620145), (140, 12063557), (154, 10966870), (155, 10896116), (170, 9934694), (187, 9031540), (217, 7782940), (220, 7676809), (238, 7096210), (308, 5483435), (310, 5448058), (340, 4967347), (341, 4952780), (374, 4515770), (385, 4386748), (434, 3891470), (476, 3548105), (527, 3204740), (595, 2838484), (620, 2724029), (682, 2476390), (748, 2257885), (770, 2193374), (868, 1945735), (935, 1806308), (1054, 1602370), (1085, 1556588), (1190, 1419242), (1309, 1290220), (1364, 1238195), (1540, 1096687), (1705, 990556), (1870, 903154), (2081, 811580), (2108, 801185), (2170, 778294), (2380, 709621), (2387, 707540), (2618, 645110), (2635, 640948), (3410, 495278), (3689, 457820), (3740, 451577), (4162, 405790), (4340, 389147), (4774, 353770), (5236, 322555), (5270, 320474), (5797, 291340), (6545, 258044), (6820, 247639), (7378, 228910), (8324, 202895), (9548, 176885), (10405, 162316), (10540, 160237), (11594, 145670), (11935, 141508), (13090, 129022), (14567, 115940), (14756, 114455), (18445, 91564), (20810, 81158), (22891, 73780), (23188, 72835), (23870, 70754), (26180, 64511), (28985, 58268), (29134, 57970), (35377, 47740), (36890, 45782), (40579, 41620)]