381804800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^2\times {\mathrm{353}}^1$

素因数の和:405

約数の個数: 162

約数和(自身を含む): 1026211662

約数和(自身を除く): 644406862

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 169, 200, 208, 256, 260, 320, 325, 338, 353, 400, 416, 520, 640, 650, 676, 706, 800, 832, 845, 1040, 1280, 1300, 1352, 1412, 1600, 1664, 1690, 1765, 2080, 2600, 2704, 2824, 3200, 3328, 3380, 3530, 4160, 4225, 4589, 5200, 5408, 5648, 6400, 6760, 7060, 8320, 8450, 8825, 9178, 10400, 10816, 11296, 13520, 14120, 16640, 16900, 17650, 18356, 20800, 21632, 22592, 22945, 27040, 28240, 33800, 35300, 36712, 41600, 43264, 45184, 45890, 54080, 56480, 59657, 67600, 70600, 73424, 83200, 90368, 91780, 108160, 112960, 114725, 119314, 135200, 141200, 146848, 183560, 216320, 225920, 229450, 238628, 270400, 282400, 293696, 298285, 367120, 451840, 458900, 477256, 540800, 564800, 587392, 596570, 734240, 917800, 954512, 1081600, 1129600, 1174784, 1193140, 1468480, 1491425, 1835600, 1909024, 2259200, 2386280, 2936960, 2982850, 3671200, 3818048, 4772560, 5873920, 5965700, 7342400, 7636096, 9545120, 11931400, 14684800, 15272192, 19090240, 23862800, 29369600, 38180480, 47725600, 76360960, 95451200, 190902400, 381804800]

約数ペア:

[(1, 381804800), (2, 190902400), (4, 95451200), (5, 76360960), (8, 47725600), (10, 38180480), (13, 29369600), (16, 23862800), (20, 19090240), (25, 15272192), (26, 14684800), (32, 11931400), (40, 9545120), (50, 7636096), (52, 7342400), (64, 5965700), (65, 5873920), (80, 4772560), (100, 3818048), (104, 3671200), (128, 2982850), (130, 2936960), (160, 2386280), (169, 2259200), (200, 1909024), (208, 1835600), (256, 1491425), (260, 1468480), (320, 1193140), (325, 1174784), (338, 1129600), (353, 1081600), (400, 954512), (416, 917800), (520, 734240), (640, 596570), (650, 587392), (676, 564800), (706, 540800), (800, 477256), (832, 458900), (845, 451840), (1040, 367120), (1280, 298285), (1300, 293696), (1352, 282400), (1412, 270400), (1600, 238628), (1664, 229450), (1690, 225920), (1765, 216320), (2080, 183560), (2600, 146848), (2704, 141200), (2824, 135200), (3200, 119314), (3328, 114725), (3380, 112960), (3530, 108160), (4160, 91780), (4225, 90368), (4589, 83200), (5200, 73424), (5408, 70600), (5648, 67600), (6400, 59657), (6760, 56480), (7060, 54080), (8320, 45890), (8450, 45184), (8825, 43264), (9178, 41600), (10400, 36712), (10816, 35300), (11296, 33800), (13520, 28240), (14120, 27040), (16640, 22945), (16900, 22592), (17650, 21632), (18356, 20800)]