79391120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2749}}^1$

素因数の和:2800

約数の個数: 60

約数和(自身を含む): 194881500

約数和(自身を除く): 115490380

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2749, 2888, 3610, 5498, 5776, 7220, 10996, 13745, 14440, 21992, 27490, 28880, 43984, 52231, 54980, 104462, 109960, 208924, 219920, 261155, 417848, 522310, 835696, 992389, 1044620, 1984778, 2089240, 3969556, 4178480, 4961945, 7939112, 9923890, 15878224, 19847780, 39695560, 79391120]

約数ペア:

[(1, 79391120), (2, 39695560), (4, 19847780), (5, 15878224), (8, 9923890), (10, 7939112), (16, 4961945), (19, 4178480), (20, 3969556), (38, 2089240), (40, 1984778), (76, 1044620), (80, 992389), (95, 835696), (152, 522310), (190, 417848), (304, 261155), (361, 219920), (380, 208924), (722, 109960), (760, 104462), (1444, 54980), (1520, 52231), (1805, 43984), (2749, 28880), (2888, 27490), (3610, 21992), (5498, 14440), (5776, 13745), (7220, 10996)]