311957960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{13241}}^1$

素因数の和:13302

約数の個数: 64

約数和(自身を含む): 762739200

約数和(自身を除く): 450781240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 11780, 13241, 23560, 26482, 52964, 66205, 105928, 132410, 251579, 264820, 410471, 503158, 529640, 820942, 1006316, 1257895, 1641884, 2012632, 2052355, 2515790, 3283768, 4104710, 5031580, 7798949, 8209420, 10063160, 15597898, 16418840, 31195796, 38994745, 62391592, 77989490, 155978980, 311957960]

約数ペア:

[(1, 311957960), (2, 155978980), (4, 77989490), (5, 62391592), (8, 38994745), (10, 31195796), (19, 16418840), (20, 15597898), (31, 10063160), (38, 8209420), (40, 7798949), (62, 5031580), (76, 4104710), (95, 3283768), (124, 2515790), (152, 2052355), (155, 2012632), (190, 1641884), (248, 1257895), (310, 1006316), (380, 820942), (589, 529640), (620, 503158), (760, 410471), (1178, 264820), (1240, 251579), (2356, 132410), (2945, 105928), (4712, 66205), (5890, 52964), (11780, 26482), (13241, 23560)]