253756400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:403

約数の個数: 120

約数和(自身を含む): 648790320

約数和(自身を除く): 395033920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 173, 190, 193, 200, 304, 346, 380, 386, 400, 475, 692, 760, 772, 865, 950, 965, 1384, 1520, 1544, 1730, 1900, 1930, 2768, 3088, 3287, 3460, 3667, 3800, 3860, 4325, 4825, 6574, 6920, 7334, 7600, 7720, 8650, 9650, 13148, 13840, 14668, 15440, 16435, 17300, 18335, 19300, 26296, 29336, 32870, 33389, 34600, 36670, 38600, 52592, 58672, 65740, 66778, 69200, 73340, 77200, 82175, 91675, 131480, 133556, 146680, 164350, 166945, 183350, 262960, 267112, 293360, 328700, 333890, 366700, 534224, 634391, 657400, 667780, 733400, 834725, 1268782, 1314800, 1335560, 1466800, 1669450, 2537564, 2671120, 3171955, 3338900, 5075128, 6343910, 6677800, 10150256, 12687820, 13355600, 15859775, 25375640, 31719550, 50751280, 63439100, 126878200, 253756400]

約数ペア:

[(1, 253756400), (2, 126878200), (4, 63439100), (5, 50751280), (8, 31719550), (10, 25375640), (16, 15859775), (19, 13355600), (20, 12687820), (25, 10150256), (38, 6677800), (40, 6343910), (50, 5075128), (76, 3338900), (80, 3171955), (95, 2671120), (100, 2537564), (152, 1669450), (173, 1466800), (190, 1335560), (193, 1314800), (200, 1268782), (304, 834725), (346, 733400), (380, 667780), (386, 657400), (400, 634391), (475, 534224), (692, 366700), (760, 333890), (772, 328700), (865, 293360), (950, 267112), (965, 262960), (1384, 183350), (1520, 166945), (1544, 164350), (1730, 146680), (1900, 133556), (1930, 131480), (2768, 91675), (3088, 82175), (3287, 77200), (3460, 73340), (3667, 69200), (3800, 66778), (3860, 65740), (4325, 58672), (4825, 52592), (6574, 38600), (6920, 36670), (7334, 34600), (7600, 33389), (7720, 32870), (8650, 29336), (9650, 26296), (13148, 19300), (13840, 18335), (14668, 17300), (15440, 16435)]