57628520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 137548800

約数和(自身を除く): 79920280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 191, 380, 382, 397, 760, 764, 794, 955, 1528, 1588, 1910, 1985, 3176, 3629, 3820, 3970, 7258, 7543, 7640, 7940, 14516, 15086, 15880, 18145, 29032, 30172, 36290, 37715, 60344, 72580, 75430, 75827, 145160, 150860, 151654, 301720, 303308, 379135, 606616, 758270, 1440713, 1516540, 2881426, 3033080, 5762852, 7203565, 11525704, 14407130, 28814260, 57628520]

約数ペア:

[(1, 57628520), (2, 28814260), (4, 14407130), (5, 11525704), (8, 7203565), (10, 5762852), (19, 3033080), (20, 2881426), (38, 1516540), (40, 1440713), (76, 758270), (95, 606616), (152, 379135), (190, 303308), (191, 301720), (380, 151654), (382, 150860), (397, 145160), (760, 75827), (764, 75430), (794, 72580), (955, 60344), (1528, 37715), (1588, 36290), (1910, 30172), (1985, 29032), (3176, 18145), (3629, 15880), (3820, 15086), (3970, 14516), (7258, 7940), (7543, 7640)]