389929400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 192

約数和(自身を含む): 1108857600

約数和(自身を除く): 718928200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 95, 100, 107, 133, 137, 140, 152, 175, 190, 200, 214, 266, 274, 280, 350, 380, 428, 475, 532, 535, 548, 665, 685, 700, 749, 760, 856, 950, 959, 1064, 1070, 1096, 1330, 1370, 1400, 1498, 1900, 1918, 2033, 2140, 2603, 2660, 2675, 2740, 2996, 3325, 3425, 3745, 3800, 3836, 4066, 4280, 4795, 5206, 5320, 5350, 5480, 5992, 6650, 6850, 7490, 7672, 8132, 9590, 10165, 10412, 10700, 13015, 13300, 13700, 14231, 14659, 14980, 16264, 18221, 18725, 19180, 20330, 20824, 21400, 23975, 26030, 26600, 27400, 28462, 29318, 29960, 36442, 37450, 38360, 40660, 47950, 50825, 52060, 56924, 58636, 65075, 71155, 72884, 73295, 74900, 81320, 91105, 95900, 101650, 102613, 104120, 113848, 117272, 130150, 142310, 145768, 146590, 149800, 182210, 191800, 203300, 205226, 260300, 278521, 284620, 293180, 355775, 364420, 366475, 406600, 410452, 455525, 513065, 520600, 557042, 569240, 586360, 711550, 728840, 732950, 820904, 911050, 1026130, 1114084, 1392605, 1423100, 1465900, 1822100, 1949647, 2052260, 2228168, 2565325, 2785210, 2846200, 2931800, 3644200, 3899294, 4104520, 5130650, 5570420, 6963025, 7798588, 9748235, 10261300, 11140840, 13926050, 15597176, 19496470, 20522600, 27852100, 38992940, 48741175, 55704200, 77985880, 97482350, 194964700, 389929400]

約数ペア:

[(1, 389929400), (2, 194964700), (4, 97482350), (5, 77985880), (7, 55704200), (8, 48741175), (10, 38992940), (14, 27852100), (19, 20522600), (20, 19496470), (25, 15597176), (28, 13926050), (35, 11140840), (38, 10261300), (40, 9748235), (50, 7798588), (56, 6963025), (70, 5570420), (76, 5130650), (95, 4104520), (100, 3899294), (107, 3644200), (133, 2931800), (137, 2846200), (140, 2785210), (152, 2565325), (175, 2228168), (190, 2052260), (200, 1949647), (214, 1822100), (266, 1465900), (274, 1423100), (280, 1392605), (350, 1114084), (380, 1026130), (428, 911050), (475, 820904), (532, 732950), (535, 728840), (548, 711550), (665, 586360), (685, 569240), (700, 557042), (749, 520600), (760, 513065), (856, 455525), (950, 410452), (959, 406600), (1064, 366475), (1070, 364420), (1096, 355775), (1330, 293180), (1370, 284620), (1400, 278521), (1498, 260300), (1900, 205226), (1918, 203300), (2033, 191800), (2140, 182210), (2603, 149800), (2660, 146590), (2675, 145768), (2740, 142310), (2996, 130150), (3325, 117272), (3425, 113848), (3745, 104120), (3800, 102613), (3836, 101650), (4066, 95900), (4280, 91105), (4795, 81320), (5206, 74900), (5320, 73295), (5350, 72884), (5480, 71155), (5992, 65075), (6650, 58636), (6850, 56924), (7490, 52060), (7672, 50825), (8132, 47950), (9590, 40660), (10165, 38360), (10412, 37450), (10700, 36442), (13015, 29960), (13300, 29318), (13700, 28462), (14231, 27400), (14659, 26600), (14980, 26030), (16264, 23975), (18221, 21400), (18725, 20824), (19180, 20330)]