2021808400

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:210

約数の個数: 240

約数和(自身を含む): 5285161728

約数和(自身を除く): 3263353328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 43, 47, 50, 61, 80, 82, 86, 94, 100, 122, 164, 172, 188, 200, 205, 215, 235, 244, 305, 328, 344, 376, 400, 410, 430, 470, 488, 610, 656, 688, 752, 820, 860, 940, 976, 1025, 1075, 1175, 1220, 1525, 1640, 1720, 1763, 1880, 1927, 2021, 2050, 2150, 2350, 2440, 2501, 2623, 2867, 3050, 3280, 3440, 3526, 3760, 3854, 4042, 4100, 4300, 4700, 4880, 5002, 5246, 5734, 6100, 7052, 7708, 8084, 8200, 8600, 8815, 9400, 9635, 10004, 10105, 10492, 11468, 12200, 12505, 13115, 14104, 14335, 15416, 16168, 16400, 17200, 17630, 18800, 19270, 20008, 20210, 20984, 22936, 24400, 25010, 26230, 28208, 28670, 30832, 32336, 35260, 38540, 40016, 40420, 41968, 44075, 45872, 48175, 50020, 50525, 52460, 57340, 62525, 65575, 70520, 71675, 77080, 80840, 82861, 88150, 96350, 100040, 101050, 104920, 107543, 114680, 117547, 123281, 125050, 131150, 141040, 143350, 154160, 161680, 165722, 176300, 192700, 200080, 202100, 209840, 215086, 229360, 235094, 246562, 250100, 262300, 286700, 331444, 352600, 385400, 404200, 414305, 430172, 470188, 493124, 500200, 524600, 537715, 573400, 587735, 616405, 662888, 705200, 770800, 808400, 828610, 860344, 940376, 986248, 1000400, 1049200, 1075430, 1146800, 1175470, 1232810, 1325776, 1657220, 1720688, 1880752, 1972496, 2071525, 2150860, 2350940, 2465620, 2688575, 2938675, 3082025, 3314440, 4143050, 4301720, 4701880, 4931240, 5054521, 5377150, 5877350, 6164050, 6628880, 8286100, 8603440, 9403760, 9862480, 10109042, 10754300, 11754700, 12328100, 16572200, 20218084, 21508600, 23509400, 24656200, 25272605, 33144400, 40436168, 43017200, 47018800, 49312400, 50545210, 80872336, 101090420, 126363025, 202180840, 252726050, 404361680, 505452100, 1010904200, 2021808400]

約数ペア:

[(1, 2021808400), (2, 1010904200), (4, 505452100), (5, 404361680), (8, 252726050), (10, 202180840), (16, 126363025), (20, 101090420), (25, 80872336), (40, 50545210), (41, 49312400), (43, 47018800), (47, 43017200), (50, 40436168), (61, 33144400), (80, 25272605), (82, 24656200), (86, 23509400), (94, 21508600), (100, 20218084), (122, 16572200), (164, 12328100), (172, 11754700), (188, 10754300), (200, 10109042), (205, 9862480), (215, 9403760), (235, 8603440), (244, 8286100), (305, 6628880), (328, 6164050), (344, 5877350), (376, 5377150), (400, 5054521), (410, 4931240), (430, 4701880), (470, 4301720), (488, 4143050), (610, 3314440), (656, 3082025), (688, 2938675), (752, 2688575), (820, 2465620), (860, 2350940), (940, 2150860), (976, 2071525), (1025, 1972496), (1075, 1880752), (1175, 1720688), (1220, 1657220), (1525, 1325776), (1640, 1232810), (1720, 1175470), (1763, 1146800), (1880, 1075430), (1927, 1049200), (2021, 1000400), (2050, 986248), (2150, 940376), (2350, 860344), (2440, 828610), (2501, 808400), (2623, 770800), (2867, 705200), (3050, 662888), (3280, 616405), (3440, 587735), (3526, 573400), (3760, 537715), (3854, 524600), (4042, 500200), (4100, 493124), (4300, 470188), (4700, 430172), (4880, 414305), (5002, 404200), (5246, 385400), (5734, 352600), (6100, 331444), (7052, 286700), (7708, 262300), (8084, 250100), (8200, 246562), (8600, 235094), (8815, 229360), (9400, 215086), (9635, 209840), (10004, 202100), (10105, 200080), (10492, 192700), (11468, 176300), (12200, 165722), (12505, 161680), (13115, 154160), (14104, 143350), (14335, 141040), (15416, 131150), (16168, 125050), (16400, 123281), (17200, 117547), (17630, 114680), (18800, 107543), (19270, 104920), (20008, 101050), (20210, 100040), (20984, 96350), (22936, 88150), (24400, 82861), (25010, 80840), (26230, 77080), (28208, 71675), (28670, 70520), (30832, 65575), (32336, 62525), (35260, 57340), (38540, 52460), (40016, 50525), (40420, 50020), (41968, 48175), (44075, 45872)]