388040800

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:574

約数の個数: 216

約数和(自身を含む): 1162191240

約数和(自身を除く): 774150440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 49, 50, 56, 70, 76, 80, 95, 98, 100, 112, 133, 140, 152, 160, 175, 190, 196, 200, 224, 245, 266, 280, 304, 350, 380, 392, 400, 475, 490, 521, 532, 560, 608, 665, 700, 760, 784, 800, 931, 950, 980, 1042, 1064, 1120, 1225, 1330, 1400, 1520, 1568, 1862, 1900, 1960, 2084, 2128, 2450, 2605, 2660, 2800, 3040, 3325, 3647, 3724, 3800, 3920, 4168, 4256, 4655, 4900, 5210, 5320, 5600, 6650, 7294, 7448, 7600, 7840, 8336, 9310, 9800, 9899, 10420, 10640, 13025, 13300, 14588, 14896, 15200, 16672, 18235, 18620, 19600, 19798, 20840, 21280, 23275, 25529, 26050, 26600, 29176, 29792, 36470, 37240, 39200, 39596, 41680, 46550, 49495, 51058, 52100, 53200, 58352, 69293, 72940, 74480, 79192, 83360, 91175, 93100, 98990, 102116, 104200, 106400, 116704, 127645, 138586, 145880, 148960, 158384, 182350, 186200, 197980, 204232, 208400, 247475, 255290, 277172, 291760, 316768, 346465, 364700, 372400, 395960, 408464, 416800, 485051, 494950, 510580, 554344, 583520, 638225, 692930, 729400, 744800, 791920, 816928, 970102, 989900, 1021160, 1108688, 1276450, 1385860, 1458800, 1583840, 1732325, 1940204, 1979800, 2042320, 2217376, 2425255, 2552900, 2771720, 2917600, 3464650, 3880408, 3959600, 4084640, 4850510, 5105800, 5543440, 6929300, 7760816, 7919200, 9701020, 10211600, 11086880, 12126275, 13858600, 15521632, 19402040, 20423200, 24252550, 27717200, 38804080, 48505100, 55434400, 77608160, 97010200, 194020400, 388040800]

約数ペア:

[(1, 388040800), (2, 194020400), (4, 97010200), (5, 77608160), (7, 55434400), (8, 48505100), (10, 38804080), (14, 27717200), (16, 24252550), (19, 20423200), (20, 19402040), (25, 15521632), (28, 13858600), (32, 12126275), (35, 11086880), (38, 10211600), (40, 9701020), (49, 7919200), (50, 7760816), (56, 6929300), (70, 5543440), (76, 5105800), (80, 4850510), (95, 4084640), (98, 3959600), (100, 3880408), (112, 3464650), (133, 2917600), (140, 2771720), (152, 2552900), (160, 2425255), (175, 2217376), (190, 2042320), (196, 1979800), (200, 1940204), (224, 1732325), (245, 1583840), (266, 1458800), (280, 1385860), (304, 1276450), (350, 1108688), (380, 1021160), (392, 989900), (400, 970102), (475, 816928), (490, 791920), (521, 744800), (532, 729400), (560, 692930), (608, 638225), (665, 583520), (700, 554344), (760, 510580), (784, 494950), (800, 485051), (931, 416800), (950, 408464), (980, 395960), (1042, 372400), (1064, 364700), (1120, 346465), (1225, 316768), (1330, 291760), (1400, 277172), (1520, 255290), (1568, 247475), (1862, 208400), (1900, 204232), (1960, 197980), (2084, 186200), (2128, 182350), (2450, 158384), (2605, 148960), (2660, 145880), (2800, 138586), (3040, 127645), (3325, 116704), (3647, 106400), (3724, 104200), (3800, 102116), (3920, 98990), (4168, 93100), (4256, 91175), (4655, 83360), (4900, 79192), (5210, 74480), (5320, 72940), (5600, 69293), (6650, 58352), (7294, 53200), (7448, 52100), (7600, 51058), (7840, 49495), (8336, 46550), (9310, 41680), (9800, 39596), (9899, 39200), (10420, 37240), (10640, 36470), (13025, 29792), (13300, 29176), (14588, 26600), (14896, 26050), (15200, 25529), (16672, 23275), (18235, 21280), (18620, 20840), (19600, 19798)]