28609240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 74118240

約数和(自身を除く): 45509000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 121, 184, 220, 230, 242, 253, 257, 440, 460, 484, 506, 514, 605, 920, 968, 1012, 1028, 1210, 1265, 1285, 2024, 2056, 2420, 2530, 2570, 2783, 2827, 4840, 5060, 5140, 5566, 5654, 5911, 10120, 10280, 11132, 11308, 11822, 13915, 14135, 22264, 22616, 23644, 27830, 28270, 29555, 31097, 47288, 55660, 56540, 59110, 62194, 65021, 111320, 113080, 118220, 124388, 130042, 155485, 236440, 248776, 260084, 310970, 325105, 520168, 621940, 650210, 715231, 1243880, 1300420, 1430462, 2600840, 2860924, 3576155, 5721848, 7152310, 14304620, 28609240]

約数ペア:

[(1, 28609240), (2, 14304620), (4, 7152310), (5, 5721848), (8, 3576155), (10, 2860924), (11, 2600840), (20, 1430462), (22, 1300420), (23, 1243880), (40, 715231), (44, 650210), (46, 621940), (55, 520168), (88, 325105), (92, 310970), (110, 260084), (115, 248776), (121, 236440), (184, 155485), (220, 130042), (230, 124388), (242, 118220), (253, 113080), (257, 111320), (440, 65021), (460, 62194), (484, 59110), (506, 56540), (514, 55660), (605, 47288), (920, 31097), (968, 29555), (1012, 28270), (1028, 27830), (1210, 23644), (1265, 22616), (1285, 22264), (2024, 14135), (2056, 13915), (2420, 11822), (2530, 11308), (2570, 11132), (2783, 10280), (2827, 10120), (4840, 5911), (5060, 5654), (5140, 5566)]