215519970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{36467}}^1$

素因数の和:36674

約数の個数: 32

約数和(自身を含む): 519887808

約数和(自身を除く): 304367838

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 197, 394, 591, 985, 1182, 1970, 2955, 5910, 36467, 72934, 109401, 182335, 218802, 364670, 547005, 1094010, 7183999, 14367998, 21551997, 35919995, 43103994, 71839990, 107759985, 215519970]

約数ペア:

[(1, 215519970), (2, 107759985), (3, 71839990), (5, 43103994), (6, 35919995), (10, 21551997), (15, 14367998), (30, 7183999), (197, 1094010), (394, 547005), (591, 364670), (985, 218802), (1182, 182335), (1970, 109401), (2955, 72934), (5910, 36467)]