220400.0000000

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 18273600

約数和(自身を除く): 9139976

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 239, 281, 478, 562, 956, 1124, 1912, 2248, 4063, 4777, 8126, 9554, 16252, 19108, 32504, 38216, 67159, 134318, 268636, 537272, 1141703, 2283406, 4566812, 9133624]

約数ペア:

[(1, 9133624), (2, 4566812), (4, 2283406), (8, 1141703), (17, 537272), (34, 268636), (68, 134318), (136, 67159), (239, 38216), (281, 32504), (478, 19108), (562, 16252), (956, 9554), (1124, 8126), (1912, 4777), (2248, 4063)]