220283560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{5011}}^1$

素因数の和:5186

約数の個数: 64

約数和(自身を含む): 570165120

約数和(自身を除く): 349881560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1099, 1256, 1570, 2198, 3140, 4396, 5011, 5495, 6280, 8792, 10022, 10990, 20044, 21980, 25055, 35077, 40088, 43960, 50110, 70154, 100220, 140308, 175385, 200440, 280616, 350770, 701540, 786727, 1403080, 1573454, 3146908, 3933635, 5507089, 6293816, 7867270, 11014178, 15734540, 22028356, 27535445, 31469080, 44056712, 55070890, 110141780, 220283560]

約数ペア:

[(1, 220283560), (2, 110141780), (4, 55070890), (5, 44056712), (7, 31469080), (8, 27535445), (10, 22028356), (14, 15734540), (20, 11014178), (28, 7867270), (35, 6293816), (40, 5507089), (56, 3933635), (70, 3146908), (140, 1573454), (157, 1403080), (280, 786727), (314, 701540), (628, 350770), (785, 280616), (1099, 200440), (1256, 175385), (1570, 140308), (2198, 100220), (3140, 70154), (4396, 50110), (5011, 43960), (5495, 40088), (6280, 35077), (8792, 25055), (10022, 21980), (10990, 20044)]