220988754

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^2$

素因数の和:392

約数の個数: 72

約数和(自身を含む): 557880960

約数和(自身を除く): 336892206

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 79, 126, 149, 158, 237, 298, 447, 474, 553, 711, 894, 1043, 1106, 1341, 1422, 1659, 2086, 2682, 3129, 3318, 4977, 6258, 9387, 9954, 11771, 18774, 22201, 23542, 35313, 44402, 66603, 70626, 82397, 105939, 133206, 155407, 164794, 199809, 211878, 247191, 310814, 399618, 466221, 494382, 741573, 932442, 1398663, 1483146, 1753879, 2797326, 3507758, 5261637, 10523274, 12277153, 15784911, 24554306, 31569822, 36831459, 73662918, 110494377, 220988754]

約数ペア:

[(1, 220988754), (2, 110494377), (3, 73662918), (6, 36831459), (7, 31569822), (9, 24554306), (14, 15784911), (18, 12277153), (21, 10523274), (42, 5261637), (63, 3507758), (79, 2797326), (126, 1753879), (149, 1483146), (158, 1398663), (237, 932442), (298, 741573), (447, 494382), (474, 466221), (553, 399618), (711, 310814), (894, 247191), (1043, 211878), (1106, 199809), (1341, 164794), (1422, 155407), (1659, 133206), (2086, 105939), (2682, 82397), (3129, 70626), (3318, 66603), (4977, 44402), (6258, 35313), (9387, 23542), (9954, 22201), (11771, 18774)]