90027460

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{677}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 194206320

約数和(自身を除く): 104178860

約数列:

[1, 2, 4, 5, 10, 20, 61, 109, 122, 218, 244, 305, 436, 545, 610, 677, 1090, 1220, 1354, 2180, 2708, 3385, 6649, 6770, 13298, 13540, 26596, 33245, 41297, 66490, 73793, 82594, 132980, 147586, 165188, 206485, 295172, 368965, 412970, 737930, 825940, 1475860, 4501373, 9002746, 18005492, 22506865, 45013730, 90027460]

約数ペア:

[(1, 90027460), (2, 45013730), (4, 22506865), (5, 18005492), (10, 9002746), (20, 4501373), (61, 1475860), (109, 825940), (122, 737930), (218, 412970), (244, 368965), (305, 295172), (436, 206485), (545, 165188), (610, 147586), (677, 132980), (1090, 82594), (1220, 73793), (1354, 66490), (2180, 41297), (2708, 33245), (3385, 26596), (6649, 13540), (6770, 13298)]