438804925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 624960000

約数和(自身を除く): 186155075

約数列:

[1, 5, 13, 23, 25, 47, 65, 115, 235, 299, 325, 575, 611, 1081, 1175, 1249, 1495, 3055, 5405, 6245, 7475, 14053, 15275, 16237, 27025, 28727, 31225, 58703, 70265, 81185, 143635, 293515, 351325, 373451, 405925, 718175, 763139, 1350169, 1467575, 1867255, 3815695, 6750845, 9336275, 17552197, 19078475, 33754225, 87760985, 438804925]

約数ペア:

[(1, 438804925), (5, 87760985), (13, 33754225), (23, 19078475), (25, 17552197), (47, 9336275), (65, 6750845), (115, 3815695), (235, 1867255), (299, 1467575), (325, 1350169), (575, 763139), (611, 718175), (1081, 405925), (1175, 373451), (1249, 351325), (1495, 293515), (3055, 143635), (5405, 81185), (6245, 70265), (7475, 58703), (14053, 31225), (15275, 28727), (16237, 27025)]