90426890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 176689512

約数和(自身を除く): 86262622

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 361, 370, 677, 703, 722, 1354, 1406, 1805, 3385, 3515, 3610, 6770, 7030, 12863, 13357, 25049, 25726, 26714, 50098, 64315, 66785, 125245, 128630, 133570, 244397, 250490, 475931, 488794, 951862, 1221985, 2379655, 2443970, 4759310, 9042689, 18085378, 45213445, 90426890]

約数ペア:

[(1, 90426890), (2, 45213445), (5, 18085378), (10, 9042689), (19, 4759310), (37, 2443970), (38, 2379655), (74, 1221985), (95, 951862), (185, 488794), (190, 475931), (361, 250490), (370, 244397), (677, 133570), (703, 128630), (722, 125245), (1354, 66785), (1406, 64315), (1805, 50098), (3385, 26714), (3515, 25726), (3610, 25049), (6770, 13357), (7030, 12863)]