2051209714100

素因数分解:

$2^2\times 5^2\times {\mathrm{421}}^1\times {\mathrm{1153}}^1\times {\mathrm{42257}}^1$

素因数の和:43845

約数の個数: 72

約数和(自身を含む): 4465673142168

約数和(自身を除く): 2414463428068

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 421, 842, 1153, 1684, 2105, 2306, 4210, 4612, 5765, 8420, 10525, 11530, 21050, 23060, 28825, 42100, 42257, 57650, 84514, 115300, 169028, 211285, 422570, 485413, 845140, 970826, 1056425, 1941652, 2112850, 2427065, 4225700, 4854130, 9708260, 12135325, 17790197, 24270650, 35580394, 48541300, 48722321, 71160788, 88950985, 97444642, 177901970, 194889284, 243611605, 355803940, 444754925, 487223210, 889509850, 974446420, 1218058025, 1779019700, 2436116050, 4872232100, 20512097141, 41024194282, 82048388564, 102560485705, 205120971410, 410241942820, 512802428525, 1025604857050, 2051209714100]

約数ペア:

[(1, 2051209714100), (2, 1025604857050), (4, 512802428525), (5, 410241942820), (10, 205120971410), (20, 102560485705), (25, 82048388564), (50, 41024194282), (100, 20512097141), (421, 4872232100), (842, 2436116050), (1153, 1779019700), (1684, 1218058025), (2105, 974446420), (2306, 889509850), (4210, 487223210), (4612, 444754925), (5765, 355803940), (8420, 243611605), (10525, 194889284), (11530, 177901970), (21050, 97444642), (23060, 88950985), (28825, 71160788), (42100, 48722321), (42257, 48541300), (57650, 35580394), (84514, 24270650), (115300, 17790197), (169028, 12135325), (211285, 9708260), (422570, 4854130), (485413, 4225700), (845140, 2427065), (970826, 2112850), (1056425, 1941652)]