28814260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 64189440

約数和(自身を除く): 35375180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 397, 764, 794, 955, 1588, 1910, 1985, 3629, 3820, 3970, 7258, 7543, 7940, 14516, 15086, 18145, 30172, 36290, 37715, 72580, 75430, 75827, 150860, 151654, 303308, 379135, 758270, 1440713, 1516540, 2881426, 5762852, 7203565, 14407130, 28814260]

約数ペア:

[(1, 28814260), (2, 14407130), (4, 7203565), (5, 5762852), (10, 2881426), (19, 1516540), (20, 1440713), (38, 758270), (76, 379135), (95, 303308), (190, 151654), (191, 150860), (380, 75827), (382, 75430), (397, 72580), (764, 37715), (794, 36290), (955, 30172), (1588, 18145), (1910, 15086), (1985, 14516), (3629, 7940), (3820, 7543), (3970, 7258)]