217870890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{20929}}^1$

素因数の和:21286

約数の個数: 32

約数和(自身を含む): 524422080

約数和(自身を除く): 306551190

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 347, 694, 1041, 1735, 2082, 3470, 5205, 10410, 20929, 41858, 62787, 104645, 125574, 209290, 313935, 627870, 7262363, 14524726, 21787089, 36311815, 43574178, 72623630, 108935445, 217870890]

約数ペア:

[(1, 217870890), (2, 108935445), (3, 72623630), (5, 43574178), (6, 36311815), (10, 21787089), (15, 14524726), (30, 7262363), (347, 627870), (694, 313935), (1041, 209290), (1735, 125574), (2082, 104645), (3470, 62787), (5205, 41858), (10410, 20929)]