98477140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 210672000

約数和(自身を除く): 112194860

約数列:

[1, 2, 4, 5, 10, 20, 109, 199, 218, 227, 398, 436, 454, 545, 796, 908, 995, 1090, 1135, 1990, 2180, 2270, 3980, 4540, 21691, 24743, 43382, 45173, 49486, 86764, 90346, 98972, 108455, 123715, 180692, 216910, 225865, 247430, 433820, 451730, 494860, 903460, 4923857, 9847714, 19695428, 24619285, 49238570, 98477140]

約数ペア:

[(1, 98477140), (2, 49238570), (4, 24619285), (5, 19695428), (10, 9847714), (20, 4923857), (109, 903460), (199, 494860), (218, 451730), (227, 433820), (398, 247430), (436, 225865), (454, 216910), (545, 180692), (796, 123715), (908, 108455), (995, 98972), (1090, 90346), (1135, 86764), (1990, 49486), (2180, 45173), (2270, 43382), (3980, 24743), (4540, 21691)]