220140856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1553}}^1$

素因数の和:1648

約数の個数: 64

約数和(自身を含む): 469929600

約数和(自身を除く): 249788744

約数列:

[1, 2, 4, 8, 13, 26, 29, 47, 52, 58, 94, 104, 116, 188, 232, 376, 377, 611, 754, 1222, 1363, 1508, 1553, 2444, 2726, 3016, 3106, 4888, 5452, 6212, 10904, 12424, 17719, 20189, 35438, 40378, 45037, 70876, 72991, 80756, 90074, 141752, 145982, 161512, 180148, 291964, 360296, 583928, 585481, 948883, 1170962, 1897766, 2116739, 2341924, 3795532, 4233478, 4683848, 7591064, 8466956, 16933912, 27517607, 55035214, 110070428, 220140856]

約数ペア:

[(1, 220140856), (2, 110070428), (4, 55035214), (8, 27517607), (13, 16933912), (26, 8466956), (29, 7591064), (47, 4683848), (52, 4233478), (58, 3795532), (94, 2341924), (104, 2116739), (116, 1897766), (188, 1170962), (232, 948883), (376, 585481), (377, 583928), (611, 360296), (754, 291964), (1222, 180148), (1363, 161512), (1508, 145982), (1553, 141752), (2444, 90074), (2726, 80756), (3016, 72991), (3106, 70876), (4888, 45037), (5452, 40378), (6212, 35438), (10904, 20189), (12424, 17719)]