90642008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 187142400

約数和(自身を除く): 96500392

約数列:

[1, 2, 4, 8, 19, 37, 38, 71, 74, 76, 142, 148, 152, 227, 284, 296, 454, 568, 703, 908, 1349, 1406, 1816, 2627, 2698, 2812, 4313, 5254, 5396, 5624, 8399, 8626, 10508, 10792, 16117, 16798, 17252, 21016, 32234, 33596, 34504, 49913, 64468, 67192, 99826, 128936, 159581, 199652, 306223, 319162, 399304, 596329, 612446, 638324, 1192658, 1224892, 1276648, 2385316, 2449784, 4770632, 11330251, 22660502, 45321004, 90642008]

約数ペア:

[(1, 90642008), (2, 45321004), (4, 22660502), (8, 11330251), (19, 4770632), (37, 2449784), (38, 2385316), (71, 1276648), (74, 1224892), (76, 1192658), (142, 638324), (148, 612446), (152, 596329), (227, 399304), (284, 319162), (296, 306223), (454, 199652), (568, 159581), (703, 128936), (908, 99826), (1349, 67192), (1406, 64468), (1816, 49913), (2627, 34504), (2698, 33596), (2812, 32234), (4313, 21016), (5254, 17252), (5396, 16798), (5624, 16117), (8399, 10792), (8626, 10508)]