140664980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{11941}}^1$

素因数の和:12000

約数の個数: 48

約数和(自身を含む): 321000960

約数和(自身を除く): 180335980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 11941, 23882, 47764, 59705, 119410, 226879, 238820, 370171, 453758, 740342, 907516, 1134395, 1480684, 1850855, 2268790, 3701710, 4537580, 7033249, 7403420, 14066498, 28132996, 35166245, 70332490, 140664980]

約数ペア:

[(1, 140664980), (2, 70332490), (4, 35166245), (5, 28132996), (10, 14066498), (19, 7403420), (20, 7033249), (31, 4537580), (38, 3701710), (62, 2268790), (76, 1850855), (95, 1480684), (124, 1134395), (155, 907516), (190, 740342), (310, 453758), (380, 370171), (589, 238820), (620, 226879), (1178, 119410), (2356, 59705), (2945, 47764), (5890, 23882), (11780, 11941)]