457788280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{3121}}^1$

素因数の和:3344

約数の個数: 64

約数和(自身を含む): 1090202400

約数和(自身を除く): 632414120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 193, 380, 386, 760, 772, 965, 1544, 1930, 3121, 3667, 3860, 6242, 7334, 7720, 12484, 14668, 15605, 18335, 24968, 29336, 31210, 36670, 59299, 62420, 73340, 118598, 124840, 146680, 237196, 296495, 474392, 592990, 602353, 1185980, 1204706, 2371960, 2409412, 3011765, 4818824, 6023530, 11444707, 12047060, 22889414, 24094120, 45778828, 57223535, 91557656, 114447070, 228894140, 457788280]

約数ペア:

[(1, 457788280), (2, 228894140), (4, 114447070), (5, 91557656), (8, 57223535), (10, 45778828), (19, 24094120), (20, 22889414), (38, 12047060), (40, 11444707), (76, 6023530), (95, 4818824), (152, 3011765), (190, 2409412), (193, 2371960), (380, 1204706), (386, 1185980), (760, 602353), (772, 592990), (965, 474392), (1544, 296495), (1930, 237196), (3121, 146680), (3667, 124840), (3860, 118598), (6242, 73340), (7334, 62420), (7720, 59299), (12484, 36670), (14668, 31210), (15605, 29336), (18335, 24968)]