90990468

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1137

約数の個数: 72

約数和(自身を含む): 244127520

約数和(自身を除く): 153137052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 137, 171, 228, 274, 342, 411, 548, 684, 822, 971, 1233, 1644, 1942, 2466, 2603, 2913, 3884, 4932, 5206, 5826, 7809, 8739, 10412, 11652, 15618, 17478, 18449, 23427, 31236, 34956, 36898, 46854, 55347, 73796, 93708, 110694, 133027, 166041, 221388, 266054, 332082, 399081, 532108, 664164, 798162, 1197243, 1596324, 2394486, 2527513, 4788972, 5055026, 7582539, 10110052, 15165078, 22747617, 30330156, 45495234, 90990468]

約数ペア:

[(1, 90990468), (2, 45495234), (3, 30330156), (4, 22747617), (6, 15165078), (9, 10110052), (12, 7582539), (18, 5055026), (19, 4788972), (36, 2527513), (38, 2394486), (57, 1596324), (76, 1197243), (114, 798162), (137, 664164), (171, 532108), (228, 399081), (274, 332082), (342, 266054), (411, 221388), (548, 166041), (684, 133027), (822, 110694), (971, 93708), (1233, 73796), (1644, 55347), (1942, 46854), (2466, 36898), (2603, 34956), (2913, 31236), (3884, 23427), (4932, 18449), (5206, 17478), (5826, 15618), (7809, 11652), (8739, 10412)]