201778480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{132749}}^1$

素因数の和:132781

約数の個数: 40

約数和(自身を含む): 493830000

約数和(自身を除く): 292051520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 132749, 265498, 530996, 663745, 1061992, 1327490, 2123984, 2522231, 2654980, 5044462, 5309960, 10088924, 10619920, 12611155, 20177848, 25222310, 40355696, 50444620, 100889240, 201778480]

約数ペア:

[(1, 201778480), (2, 100889240), (4, 50444620), (5, 40355696), (8, 25222310), (10, 20177848), (16, 12611155), (19, 10619920), (20, 10088924), (38, 5309960), (40, 5044462), (76, 2654980), (80, 2522231), (95, 2123984), (152, 1327490), (190, 1061992), (304, 663745), (380, 530996), (760, 265498), (1520, 132749)]