40140558

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 90090000

約数和(自身を除く): 49949442

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 109, 123, 218, 246, 327, 369, 499, 654, 738, 981, 998, 1497, 1962, 2994, 4469, 4491, 8938, 8982, 13407, 20459, 26814, 40221, 40918, 54391, 61377, 80442, 108782, 122754, 163173, 184131, 326346, 368262, 489519, 979038, 2230031, 4460062, 6690093, 13380186, 20070279, 40140558]

約数ペア:

[(1, 40140558), (2, 20070279), (3, 13380186), (6, 6690093), (9, 4460062), (18, 2230031), (41, 979038), (82, 489519), (109, 368262), (123, 326346), (218, 184131), (246, 163173), (327, 122754), (369, 108782), (499, 80442), (654, 61377), (738, 54391), (981, 40918), (998, 40221), (1497, 26814), (1962, 20459), (2994, 13407), (4469, 8982), (4491, 8938)]