90620690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 181958400

約数和(自身を除く): 91337710

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 89, 95, 115, 178, 190, 230, 233, 437, 445, 466, 874, 890, 1165, 1691, 2047, 2185, 2330, 3382, 4094, 4370, 4427, 5359, 8455, 8854, 10235, 10718, 16910, 20470, 20737, 22135, 26795, 38893, 41474, 44270, 53590, 77786, 101821, 103685, 194465, 203642, 207370, 388930, 394003, 476951, 509105, 788006, 953902, 1018210, 1970015, 2384755, 3940030, 4769510, 9062069, 18124138, 45310345, 90620690]

約数ペア:

[(1, 90620690), (2, 45310345), (5, 18124138), (10, 9062069), (19, 4769510), (23, 3940030), (38, 2384755), (46, 1970015), (89, 1018210), (95, 953902), (115, 788006), (178, 509105), (190, 476951), (230, 394003), (233, 388930), (437, 207370), (445, 203642), (466, 194465), (874, 103685), (890, 101821), (1165, 77786), (1691, 53590), (2047, 44270), (2185, 41474), (2330, 38893), (3382, 26795), (4094, 22135), (4370, 20737), (4427, 20470), (5359, 16910), (8455, 10718), (8854, 10235)]