215636260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1583}}^1$

素因数の和:1745

約数の個数: 72

約数和(自身を含む): 530893440

約数和(自身を除く): 315257180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 490, 556, 695, 973, 980, 1390, 1583, 1946, 2780, 3166, 3892, 4865, 6332, 6811, 7915, 9730, 11081, 13622, 15830, 19460, 22162, 27244, 31660, 34055, 44324, 55405, 68110, 77567, 110810, 136220, 155134, 220037, 221620, 310268, 387835, 440074, 775670, 880148, 1100185, 1540259, 1551340, 2200370, 3080518, 4400740, 6161036, 7701295, 10781813, 15402590, 21563626, 30805180, 43127252, 53909065, 107818130, 215636260]

約数ペア:

[(1, 215636260), (2, 107818130), (4, 53909065), (5, 43127252), (7, 30805180), (10, 21563626), (14, 15402590), (20, 10781813), (28, 7701295), (35, 6161036), (49, 4400740), (70, 3080518), (98, 2200370), (139, 1551340), (140, 1540259), (196, 1100185), (245, 880148), (278, 775670), (490, 440074), (556, 387835), (695, 310268), (973, 221620), (980, 220037), (1390, 155134), (1583, 136220), (1946, 110810), (2780, 77567), (3166, 68110), (3892, 55405), (4865, 44324), (6332, 34055), (6811, 31660), (7915, 27244), (9730, 22162), (11081, 19460), (13622, 15830)]