220135980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{23369}}^1$

素因数の和:23538

約数の個数: 48

約数和(自身を含む): 620333280

約数和(自身を除く): 400197300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 9420, 23369, 46738, 70107, 93476, 116845, 140214, 233690, 280428, 350535, 467380, 701070, 1402140, 3668933, 7337866, 11006799, 14675732, 18344665, 22013598, 36689330, 44027196, 55033995, 73378660, 110067990, 220135980]

約数ペア:

[(1, 220135980), (2, 110067990), (3, 73378660), (4, 55033995), (5, 44027196), (6, 36689330), (10, 22013598), (12, 18344665), (15, 14675732), (20, 11006799), (30, 7337866), (60, 3668933), (157, 1402140), (314, 701070), (471, 467380), (628, 350535), (785, 280428), (942, 233690), (1570, 140214), (1884, 116845), (2355, 93476), (3140, 70107), (4710, 46738), (9420, 23369)]