30890770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 60350400

約数和(自身を除く): 29459630

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 199, 215, 361, 398, 430, 722, 817, 995, 1634, 1805, 1990, 3610, 3781, 4085, 7562, 8170, 8557, 15523, 17114, 18905, 31046, 37810, 42785, 71839, 77615, 85570, 143678, 155230, 162583, 325166, 359195, 718390, 812915, 1625830, 3089077, 6178154, 15445385, 30890770]

約数ペア:

[(1, 30890770), (2, 15445385), (5, 6178154), (10, 3089077), (19, 1625830), (38, 812915), (43, 718390), (86, 359195), (95, 325166), (190, 162583), (199, 155230), (215, 143678), (361, 85570), (398, 77615), (430, 71839), (722, 42785), (817, 37810), (995, 31046), (1634, 18905), (1805, 17114), (1990, 15523), (3610, 8557), (3781, 8170), (4085, 7562)]