138878790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{243647}}^1$

素因数の和:243676

約数の個数: 32

約数和(自身を含む): 350853120

約数和(自身を除く): 211974330

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 243647, 487294, 730941, 1218235, 1461882, 2436470, 3654705, 4629293, 7309410, 9258586, 13887879, 23146465, 27775758, 46292930, 69439395, 138878790]

約数ペア:

[(1, 138878790), (2, 69439395), (3, 46292930), (5, 27775758), (6, 23146465), (10, 13887879), (15, 9258586), (19, 7309410), (30, 4629293), (38, 3654705), (57, 2436470), (95, 1461882), (114, 1218235), (190, 730941), (285, 487294), (570, 243647)]