149764460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{20743}}^1$

素因数の和:20790

約数の個数: 36

約数和(自身を含む): 331945488

約数和(自身を除く): 182181028

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 20743, 41486, 82972, 103715, 207430, 394117, 414860, 788234, 1576468, 1970585, 3941170, 7488223, 7882340, 14976446, 29952892, 37441115, 74882230, 149764460]

約数ペア:

[(1, 149764460), (2, 74882230), (4, 37441115), (5, 29952892), (10, 14976446), (19, 7882340), (20, 7488223), (38, 3941170), (76, 1970585), (95, 1576468), (190, 788234), (361, 414860), (380, 394117), (722, 207430), (1444, 103715), (1805, 82972), (3610, 41486), (7220, 20743)]