140485540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{2423}}^1$

素因数の和:2668

約数の個数: 48

約数和(自身を含む): 319269888

約数和(自身を除く): 178784348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 446, 892, 1115, 2230, 2423, 2899, 4460, 4846, 5798, 9692, 11596, 12115, 14495, 24230, 28990, 31499, 48460, 57980, 62998, 125996, 157495, 314990, 540329, 629980, 1080658, 2161316, 2701645, 5403290, 7024277, 10806580, 14048554, 28097108, 35121385, 70242770, 140485540]

約数ペア:

[(1, 140485540), (2, 70242770), (4, 35121385), (5, 28097108), (10, 14048554), (13, 10806580), (20, 7024277), (26, 5403290), (52, 2701645), (65, 2161316), (130, 1080658), (223, 629980), (260, 540329), (446, 314990), (892, 157495), (1115, 125996), (2230, 62998), (2423, 57980), (2899, 48460), (4460, 31499), (4846, 28990), (5798, 24230), (9692, 14495), (11596, 12115)]