194020400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:572

約数の個数: 180

約数和(自身を含む): 571871880

約数和(自身を除く): 377851480

約数列:

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

約数ペア:

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