280750384

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^4$

素因数の和:151

約数の個数: 50

約数和(自身を含む): 591669100

約数和(自身を除く): 310918716

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 961, 1178, 1922, 2356, 3844, 4712, 7688, 9424, 15376, 18259, 29791, 36518, 59582, 73036, 119164, 146072, 238328, 292144, 476656, 566029, 923521, 1132058, 1847042, 2264116, 3694084, 4528232, 7388168, 9056464, 14776336, 17546899, 35093798, 70187596, 140375192, 280750384]

約数ペア:

[(1, 280750384), (2, 140375192), (4, 70187596), (8, 35093798), (16, 17546899), (19, 14776336), (31, 9056464), (38, 7388168), (62, 4528232), (76, 3694084), (124, 2264116), (152, 1847042), (248, 1132058), (304, 923521), (496, 566029), (589, 476656), (961, 292144), (1178, 238328), (1922, 146072), (2356, 119164), (3844, 73036), (4712, 59582), (7688, 36518), (9424, 29791), (15376, 18259)]