220129700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2003}}^1$

素因数の和:2181

約数の個数: 72

約数和(自身を含む): 549673152

約数和(自身を除く): 329543452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 157, 175, 314, 350, 628, 700, 785, 1099, 1570, 2003, 2198, 3140, 3925, 4006, 4396, 5495, 7850, 8012, 10015, 10990, 14021, 15700, 20030, 21980, 27475, 28042, 40060, 50075, 54950, 56084, 70105, 100150, 109900, 140210, 200300, 280420, 314471, 350525, 628942, 701050, 1257884, 1402100, 1572355, 2201297, 3144710, 4402594, 6289420, 7861775, 8805188, 11006485, 15723550, 22012970, 31447100, 44025940, 55032425, 110064850, 220129700]

約数ペア:

[(1, 220129700), (2, 110064850), (4, 55032425), (5, 44025940), (7, 31447100), (10, 22012970), (14, 15723550), (20, 11006485), (25, 8805188), (28, 7861775), (35, 6289420), (50, 4402594), (70, 3144710), (100, 2201297), (140, 1572355), (157, 1402100), (175, 1257884), (314, 701050), (350, 628942), (628, 350525), (700, 314471), (785, 280420), (1099, 200300), (1570, 140210), (2003, 109900), (2198, 100150), (3140, 70105), (3925, 56084), (4006, 54950), (4396, 50075), (5495, 40060), (7850, 28042), (8012, 27475), (10015, 21980), (10990, 20030), (14021, 15700)]