38502520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 99648000

約数和(自身を除く): 61145480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 691, 796, 995, 1382, 1393, 1592, 1990, 2764, 2786, 3455, 3980, 4837, 5528, 5572, 6910, 6965, 7960, 9674, 11144, 13820, 13930, 19348, 24185, 27640, 27860, 38696, 48370, 55720, 96740, 137509, 193480, 275018, 550036, 687545, 962563, 1100072, 1375090, 1925126, 2750180, 3850252, 4812815, 5500360, 7700504, 9625630, 19251260, 38502520]

約数ペア:

[(1, 38502520), (2, 19251260), (4, 9625630), (5, 7700504), (7, 5500360), (8, 4812815), (10, 3850252), (14, 2750180), (20, 1925126), (28, 1375090), (35, 1100072), (40, 962563), (56, 687545), (70, 550036), (140, 275018), (199, 193480), (280, 137509), (398, 96740), (691, 55720), (796, 48370), (995, 38696), (1382, 27860), (1393, 27640), (1592, 24185), (1990, 19348), (2764, 13930), (2786, 13820), (3455, 11144), (3980, 9674), (4837, 7960), (5528, 6965), (5572, 6910)]