20161250900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{929}}^1$

素因数の和:1103

約数の個数: 216

約数和(自身を含む): 52638505920

約数和(自身を除く): 32477255020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 49, 50, 70, 86, 98, 100, 103, 140, 172, 175, 196, 206, 215, 245, 301, 350, 412, 430, 490, 515, 602, 700, 721, 860, 929, 980, 1030, 1075, 1204, 1225, 1442, 1505, 1858, 2060, 2107, 2150, 2450, 2575, 2884, 3010, 3605, 3716, 4214, 4300, 4429, 4645, 4900, 5047, 5150, 6020, 6503, 7210, 7525, 8428, 8858, 9290, 10094, 10300, 10535, 13006, 14420, 15050, 17716, 18025, 18580, 20188, 21070, 22145, 23225, 25235, 26012, 30100, 31003, 32515, 36050, 39947, 42140, 44290, 45521, 46450, 50470, 52675, 62006, 65030, 72100, 79894, 88580, 91042, 92900, 95687, 100940, 105350, 110725, 124012, 126175, 130060, 155015, 159788, 162575, 182084, 191374, 199735, 210700, 217021, 221450, 227605, 252350, 279629, 310030, 325150, 382748, 399470, 434042, 442900, 455210, 478435, 504700, 559258, 620060, 650300, 669809, 775075, 798940, 868084, 910420, 956870, 998675, 1085105, 1118516, 1138025, 1339618, 1398145, 1550150, 1913740, 1957403, 1997350, 2170210, 2276050, 2392175, 2679236, 2796290, 3100300, 3349045, 3914806, 3994700, 4114541, 4340420, 4552100, 4688663, 4784350, 5425525, 5592580, 6698090, 6990725, 7829612, 8229082, 9377326, 9568700, 9787015, 10851050, 13396180, 13981450, 16458164, 16745225, 18754652, 19574030, 20572705, 21702100, 23443315, 27962900, 28801787, 33490450, 39148060, 41145410, 46886630, 48935075, 57603574, 66980900, 82290820, 93773260, 97870150, 102863525, 115207148, 117216575, 144008935, 195740300, 201612509, 205727050, 234433150, 288017870, 403225018, 411454100, 468866300, 576035740, 720044675, 806450036, 1008062545, 1440089350, 2016125090, 2880178700, 4032250180, 5040312725, 10080625450, 20161250900]

約数ペア:

[(1, 20161250900), (2, 10080625450), (4, 5040312725), (5, 4032250180), (7, 2880178700), (10, 2016125090), (14, 1440089350), (20, 1008062545), (25, 806450036), (28, 720044675), (35, 576035740), (43, 468866300), (49, 411454100), (50, 403225018), (70, 288017870), (86, 234433150), (98, 205727050), (100, 201612509), (103, 195740300), (140, 144008935), (172, 117216575), (175, 115207148), (196, 102863525), (206, 97870150), (215, 93773260), (245, 82290820), (301, 66980900), (350, 57603574), (412, 48935075), (430, 46886630), (490, 41145410), (515, 39148060), (602, 33490450), (700, 28801787), (721, 27962900), (860, 23443315), (929, 21702100), (980, 20572705), (1030, 19574030), (1075, 18754652), (1204, 16745225), (1225, 16458164), (1442, 13981450), (1505, 13396180), (1858, 10851050), (2060, 9787015), (2107, 9568700), (2150, 9377326), (2450, 8229082), (2575, 7829612), (2884, 6990725), (3010, 6698090), (3605, 5592580), (3716, 5425525), (4214, 4784350), (4300, 4688663), (4429, 4552100), (4645, 4340420), (4900, 4114541), (5047, 3994700), (5150, 3914806), (6020, 3349045), (6503, 3100300), (7210, 2796290), (7525, 2679236), (8428, 2392175), (8858, 2276050), (9290, 2170210), (10094, 1997350), (10300, 1957403), (10535, 1913740), (13006, 1550150), (14420, 1398145), (15050, 1339618), (17716, 1138025), (18025, 1118516), (18580, 1085105), (20188, 998675), (21070, 956870), (22145, 910420), (23225, 868084), (25235, 798940), (26012, 775075), (30100, 669809), (31003, 650300), (32515, 620060), (36050, 559258), (39947, 504700), (42140, 478435), (44290, 455210), (45521, 442900), (46450, 434042), (50470, 399470), (52675, 382748), (62006, 325150), (65030, 310030), (72100, 279629), (79894, 252350), (88580, 227605), (91042, 221450), (92900, 217021), (95687, 210700), (100940, 199735), (105350, 191374), (110725, 182084), (124012, 162575), (126175, 159788), (130060, 155015)]