38277820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 94515120

約数和(自身を除く): 56237300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 281, 490, 556, 562, 695, 973, 980, 1124, 1390, 1405, 1946, 1967, 2780, 2810, 3892, 3934, 4865, 5620, 6811, 7868, 9730, 9835, 13622, 13769, 19460, 19670, 27244, 27538, 34055, 39059, 39340, 55076, 68110, 68845, 78118, 136220, 137690, 156236, 195295, 273413, 275380, 390590, 546826, 781180, 1093652, 1367065, 1913891, 2734130, 3827782, 5468260, 7655564, 9569455, 19138910, 38277820]

約数ペア:

[(1, 38277820), (2, 19138910), (4, 9569455), (5, 7655564), (7, 5468260), (10, 3827782), (14, 2734130), (20, 1913891), (28, 1367065), (35, 1093652), (49, 781180), (70, 546826), (98, 390590), (139, 275380), (140, 273413), (196, 195295), (245, 156236), (278, 137690), (281, 136220), (490, 78118), (556, 68845), (562, 68110), (695, 55076), (973, 39340), (980, 39059), (1124, 34055), (1390, 27538), (1405, 27244), (1946, 19670), (1967, 19460), (2780, 13769), (2810, 13622), (3892, 9835), (3934, 9730), (4865, 7868), (5620, 6811)]