280382008

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{2347}}^1$

素因数の和:2599

約数の個数: 32

約数和(自身を含む): 534639600

約数和(自身を除く): 254257592

約数列:

[1, 2, 4, 8, 109, 137, 218, 274, 436, 548, 872, 1096, 2347, 4694, 9388, 14933, 18776, 29866, 59732, 119464, 255823, 321539, 511646, 643078, 1023292, 1286156, 2046584, 2572312, 35047751, 70095502, 140191004, 280382008]

約数ペア:

[(1, 280382008), (2, 140191004), (4, 70095502), (8, 35047751), (109, 2572312), (137, 2046584), (218, 1286156), (274, 1023292), (436, 643078), (548, 511646), (872, 321539), (1096, 255823), (2347, 119464), (4694, 59732), (9388, 29866), (14933, 18776)]