487395220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{98663}}^1$

素因数の和:98704

約数の個数: 48

約数和(自身を含む): 1160288640

約数和(自身を除く): 672893420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 98663, 197326, 394652, 493315, 986630, 1282619, 1874597, 1973260, 2565238, 3749194, 5130476, 6413095, 7498388, 9372985, 12826190, 18745970, 24369761, 25652380, 37491940, 48739522, 97479044, 121848805, 243697610, 487395220]

約数ペア:

[(1, 487395220), (2, 243697610), (4, 121848805), (5, 97479044), (10, 48739522), (13, 37491940), (19, 25652380), (20, 24369761), (26, 18745970), (38, 12826190), (52, 9372985), (65, 7498388), (76, 6413095), (95, 5130476), (130, 3749194), (190, 2565238), (247, 1973260), (260, 1874597), (380, 1282619), (494, 986630), (988, 493315), (1235, 394652), (2470, 197326), (4940, 98663)]